Geometry, Student Edition
Geometry, Student Edition
1st Edition
ISBN: 9780078884849
Author: McGraw-Hill, McGraw Hill
Publisher: Glencoe/McGraw-Hill School Pub Co
bartleby

Videos

Question
Book Icon
Chapter 6.1, Problem 11CYU
To determine

The measure of each exterior angle of a regular polygon.

Expert Solution & Answer
Check Mark

Answer to Problem 11CYU

The measure of each exterior angle of a regular octagon is 45.

Explanation of Solution

Given:

The given polygon is a octagon.

Calculation:

The sum of the measures of exterior angles of a convex polygon, one angle at each vertex is 360.

Also, in a regular quadrilateral, there are 8 congruent interior angles.

The exterior angles of a quadrilateral are also congruent as angles supplementary to congruent angles are also congruent.

Suppose, the measure of each exterior angle be n.

Therefore,

  8n=360n=3608n=45

The measure of each exterior angle of a regular octagon is 45.

Chapter 6 Solutions

Geometry, Student Edition

Ch. 6.1 - Prob. 4CYUCh. 6.1 - Prob. 5CYUCh. 6.1 - Prob. 6CYUCh. 6.1 - Prob. 7CYUCh. 6.1 - Prob. 8CYUCh. 6.1 - Prob. 9CYUCh. 6.1 - Prob. 10CYUCh. 6.1 - Prob. 11CYUCh. 6.1 - Prob. 12PPSCh. 6.1 - Prob. 13PPSCh. 6.1 - Prob. 14PPSCh. 6.1 - Prob. 15PPSCh. 6.1 - Prob. 16PPSCh. 6.1 - Prob. 17PPSCh. 6.1 - Prob. 18PPSCh. 6.1 - Prob. 19PPSCh. 6.1 - Prob. 20PPSCh. 6.1 - Prob. 21PPSCh. 6.1 - Prob. 22PPSCh. 6.1 - Prob. 23PPSCh. 6.1 - Prob. 24PPSCh. 6.1 - Prob. 25PPSCh. 6.1 - Prob. 26PPSCh. 6.1 - Prob. 27PPSCh. 6.1 - Prob. 28PPSCh. 6.1 - Prob. 29PPSCh. 6.1 - Prob. 30PPSCh. 6.1 - Prob. 31PPSCh. 6.1 - Prob. 32PPSCh. 6.1 - Prob. 33PPSCh. 6.1 - Prob. 34PPSCh. 6.1 - Prob. 35PPSCh. 6.1 - Prob. 36PPSCh. 6.1 - Prob. 37PPSCh. 6.1 - Prob. 38PPSCh. 6.1 - Prob. 39PPSCh. 6.1 - Prob. 40PPSCh. 6.1 - Prob. 41PPSCh. 6.1 - Prob. 42PPSCh. 6.1 - Prob. 43PPSCh. 6.1 - Prob. 44PPSCh. 6.1 - Prob. 45PPSCh. 6.1 - Prob. 46PPSCh. 6.1 - Prob. 47PPSCh. 6.1 - Prob. 48PPSCh. 6.1 - Prob. 49HPCh. 6.1 - Prob. 50HPCh. 6.1 - Prob. 51HPCh. 6.1 - Prob. 52HPCh. 6.1 - Prob. 53HPCh. 6.1 - Prob. 54STPCh. 6.1 - Prob. 55STPCh. 6.1 - Prob. 56STPCh. 6.1 - Prob. 57STPCh. 6.1 - Prob. 58SPRCh. 6.1 - Prob. 59SPRCh. 6.1 - Prob. 60SPRCh. 6.1 - Prob. 61SPRCh. 6.1 - Prob. 62SPRCh. 6.1 - Prob. 63SPRCh. 6.1 - Prob. 64SPRCh. 6.1 - Prob. 65SRCh. 6.1 - Prob. 66SRCh. 6.2 - Prob. 1ACYPCh. 6.2 - Prob. 2ACYPCh. 6.2 - Prob. 2BCYPCh. 6.2 - Prob. 3CYPCh. 6.2 - Prob. 4CYPCh. 6.2 - Prob. 1CYUCh. 6.2 - Prob. 2CYUCh. 6.2 - Prob. 3CYUCh. 6.2 - Prob. 4CYUCh. 6.2 - Prob. 5CYUCh. 6.2 - Prob. 6CYUCh. 6.2 - Prob. 7CYUCh. 6.2 - Prob. 8CYUCh. 6.2 - Prob. 9PPSCh. 6.2 - Prob. 10PPSCh. 6.2 - Prob. 11PPSCh. 6.2 - Prob. 12PPSCh. 6.2 - Prob. 13PPSCh. 6.2 - Prob. 14PPSCh. 6.2 - Prob. 15PPSCh. 6.2 - Prob. 16PPSCh. 6.2 - Prob. 17PPSCh. 6.2 - Prob. 18PPSCh. 6.2 - Prob. 19PPSCh. 6.2 - Prob. 20PPSCh. 6.2 - Prob. 21PPSCh. 6.2 - Prob. 22PPSCh. 6.2 - Prob. 23PPSCh. 6.2 - Prob. 24PPSCh. 6.2 - Prob. 25PPSCh. 6.2 - Prob. 26PPSCh. 6.2 - Prob. 27PPSCh. 6.2 - Prob. 28PPSCh. 6.2 - Prob. 29PPSCh. 6.2 - Prob. 30PPSCh. 6.2 - Prob. 31PPSCh. 6.2 - Prob. 32PPSCh. 6.2 - Prob. 33PPSCh. 6.2 - Prob. 34PPSCh. 6.2 - Prob. 35PPSCh. 6.2 - Prob. 36PPSCh. 6.2 - Prob. 37PPSCh. 6.2 - Prob. 38PPSCh. 6.2 - Prob. 39PPSCh. 6.2 - Prob. 40PPSCh. 6.2 - Prob. 41HPCh. 6.2 - Prob. 42HPCh. 6.2 - Prob. 43HPCh. 6.2 - Prob. 44HPCh. 6.2 - Prob. 45HPCh. 6.2 - Prob. 46STPCh. 6.2 - Prob. 47STPCh. 6.2 - Prob. 48STPCh. 6.2 - Prob. 49STPCh. 6.2 - Prob. 50SPRCh. 6.2 - Prob. 51SPRCh. 6.2 - Prob. 52SPRCh. 6.2 - Prob. 53SPRCh. 6.2 - Prob. 54SPRCh. 6.2 - Prob. 55SPRCh. 6.2 - Prob. 56SPRCh. 6.2 - Prob. 57SPRCh. 6.2 - Prob. 58SPRCh. 6.2 - Prob. 59SPRCh. 6.2 - Prob. 60SRCh. 6.2 - Prob. 61SRCh. 6.2 - Prob. 62SRCh. 6.3 - Prob. 1ACYPCh. 6.3 - Prob. 1BCYPCh. 6.3 - Prob. 2CYPCh. 6.3 - Prob. 3ACYPCh. 6.3 - Prob. 3BCYPCh. 6.3 - Prob. 4ACYPCh. 6.3 - Prob. 4BCYPCh. 6.3 - Prob. 5CYPCh. 6.3 - Prob. 1CYUCh. 6.3 - Prob. 2CYUCh. 6.3 - Prob. 3CYUCh. 6.3 - Prob. 4CYUCh. 6.3 - Prob. 5CYUCh. 6.3 - Prob. 6CYUCh. 6.3 - Prob. 7CYUCh. 6.3 - Prob. 8CYUCh. 6.3 - Prob. 9PPSCh. 6.3 - Prob. 10PPSCh. 6.3 - Prob. 11PPSCh. 6.3 - Prob. 12PPSCh. 6.3 - Prob. 13PPSCh. 6.3 - Prob. 14PPSCh. 6.3 - Prob. 15PPSCh. 6.3 - Prob. 16PPSCh. 6.3 - Prob. 17PPSCh. 6.3 - Prob. 18PPSCh. 6.3 - Prob. 19PPSCh. 6.3 - Prob. 20PPSCh. 6.3 - Prob. 21PPSCh. 6.3 - Prob. 22PPSCh. 6.3 - Prob. 23PPSCh. 6.3 - Prob. 24PPSCh. 6.3 - Prob. 25PPSCh. 6.3 - Prob. 26PPSCh. 6.3 - Prob. 27PPSCh. 6.3 - Prob. 28PPSCh. 6.3 - Prob. 29PPSCh. 6.3 - Prob. 30PPSCh. 6.3 - Prob. 31PPSCh. 6.3 - Prob. 32PPSCh. 6.3 - Prob. 33PPSCh. 6.3 - Prob. 34PPSCh. 6.3 - Prob. 35PPSCh. 6.3 - Prob. 36PPSCh. 6.3 - Prob. 37PPSCh. 6.3 - Prob. 38PPSCh. 6.3 - Prob. 39PPSCh. 6.3 - Prob. 40HPCh. 6.3 - Prob. 41HPCh. 6.3 - Prob. 42HPCh. 6.3 - Prob. 43HPCh. 6.3 - Prob. 44HPCh. 6.3 - Prob. 45HPCh. 6.3 - Prob. 46STPCh. 6.3 - Prob. 47STPCh. 6.3 - Prob. 48STPCh. 6.3 - Prob. 49STPCh. 6.3 - Prob. 50SPRCh. 6.3 - Prob. 51SPRCh. 6.3 - Prob. 52SPRCh. 6.3 - Prob. 53SPRCh. 6.3 - Prob. 54SPRCh. 6.3 - Prob. 55SPRCh. 6.3 - Prob. 56SPRCh. 6.3 - Prob. 57SPRCh. 6.3 - Prob. 58SRCh. 6.3 - Prob. 59SRCh. 6.4 - Prob. 1ACYPCh. 6.4 - Prob. 1BCYPCh. 6.4 - Prob. 2CYPCh. 6.4 - Prob. 3CYPCh. 6.4 - Prob. 4CYPCh. 6.4 - Prob. 1CYUCh. 6.4 - Prob. 2CYUCh. 6.4 - Prob. 3CYUCh. 6.4 - Prob. 4CYUCh. 6.4 - Prob. 5CYUCh. 6.4 - Prob. 6CYUCh. 6.4 - Prob. 7CYUCh. 6.4 - Prob. 8CYUCh. 6.4 - Prob. 9CYUCh. 6.4 - Prob. 10PPSCh. 6.4 - Prob. 11PPSCh. 6.4 - Prob. 12PPSCh. 6.4 - Prob. 13PPSCh. 6.4 - Prob. 14PPSCh. 6.4 - Prob. 15PPSCh. 6.4 - Prob. 16PPSCh. 6.4 - Prob. 17PPSCh. 6.4 - Prob. 18PPSCh. 6.4 - Prob. 19PPSCh. 6.4 - Prob. 20PPSCh. 6.4 - Prob. 21PPSCh. 6.4 - Prob. 22PPSCh. 6.4 - Prob. 23PPSCh. 6.4 - Prob. 24PPSCh. 6.4 - Prob. 25PPSCh. 6.4 - Prob. 26PPSCh. 6.4 - Prob. 27PPSCh. 6.4 - Prob. 28PPSCh. 6.4 - Prob. 29PPSCh. 6.4 - Prob. 30PPSCh. 6.4 - Prob. 31PPSCh. 6.4 - Prob. 32PPSCh. 6.4 - Prob. 33PPSCh. 6.4 - Prob. 34PPSCh. 6.4 - Prob. 35PPSCh. 6.4 - Prob. 36PPSCh. 6.4 - Prob. 37PPSCh. 6.4 - Prob. 38PPSCh. 6.4 - Prob. 39PPSCh. 6.4 - Prob. 40PPSCh. 6.4 - Prob. 41PPSCh. 6.4 - Prob. 42PPSCh. 6.4 - Prob. 43PPSCh. 6.4 - Prob. 44PPSCh. 6.4 - Prob. 45HPCh. 6.4 - Prob. 46HPCh. 6.4 - Prob. 47HPCh. 6.4 - Prob. 48HPCh. 6.4 - Prob. 49HPCh. 6.4 - Prob. 50STPCh. 6.4 - Prob. 51STPCh. 6.4 - Prob. 52STPCh. 6.4 - Prob. 53STPCh. 6.4 - Prob. 54SPRCh. 6.4 - Prob. 55SPRCh. 6.4 - Prob. 56SPRCh. 6.4 - Prob. 57SPRCh. 6.4 - Prob. 58SPRCh. 6.4 - Prob. 59SPRCh. 6.4 - Prob. 60SPRCh. 6.4 - Prob. 61SPRCh. 6.4 - Prob. 62SRCh. 6.4 - Prob. 63SRCh. 6.4 - Prob. 64SRCh. 6.5 - Prob. 1ACYPCh. 6.5 - Prob. 1BCYPCh. 6.5 - Prob. 2CYPCh. 6.5 - Prob. 3CYPCh. 6.5 - Prob. 4CYPCh. 6.5 - Prob. 1CYUCh. 6.5 - Prob. 2CYUCh. 6.5 - Prob. 3CYUCh. 6.5 - Prob. 4CYUCh. 6.5 - Prob. 5CYUCh. 6.5 - Prob. 6CYUCh. 6.5 - Prob. 7PPSCh. 6.5 - Prob. 8PPSCh. 6.5 - Prob. 9PPSCh. 6.5 - Prob. 10PPSCh. 6.5 - Prob. 11PPSCh. 6.5 - Prob. 12PPSCh. 6.5 - Prob. 13PPSCh. 6.5 - Prob. 14PPSCh. 6.5 - Prob. 15PPSCh. 6.5 - Prob. 16PPSCh. 6.5 - Prob. 17PPSCh. 6.5 - Prob. 18PPSCh. 6.5 - Prob. 19PPSCh. 6.5 - Prob. 20PPSCh. 6.5 - Prob. 21PPSCh. 6.5 - Prob. 22PPSCh. 6.5 - Prob. 23PPSCh. 6.5 - Prob. 24PPSCh. 6.5 - Prob. 25PPSCh. 6.5 - Prob. 26PPSCh. 6.5 - Prob. 27PPSCh. 6.5 - Prob. 28PPSCh. 6.5 - Prob. 29PPSCh. 6.5 - Prob. 30PPSCh. 6.5 - Prob. 31PPSCh. 6.5 - Prob. 32PPSCh. 6.5 - Prob. 33PPSCh. 6.5 - Prob. 34PPSCh. 6.5 - Prob. 35PPSCh. 6.5 - Prob. 36PPSCh. 6.5 - Prob. 37PPSCh. 6.5 - Prob. 38PPSCh. 6.5 - Prob. 39PPSCh. 6.5 - Prob. 40PPSCh. 6.5 - Prob. 41PPSCh. 6.5 - Prob. 42PPSCh. 6.5 - Prob. 43PPSCh. 6.5 - Prob. 44PPSCh. 6.5 - Prob. 45PPSCh. 6.5 - Prob. 46HPCh. 6.5 - Prob. 47HPCh. 6.5 - Prob. 48HPCh. 6.5 - Prob. 49HPCh. 6.5 - Prob. 50HPCh. 6.5 - Prob. 51STPCh. 6.5 - Prob. 52STPCh. 6.5 - Prob. 53STPCh. 6.5 - Prob. 54STPCh. 6.5 - Prob. 55SPRCh. 6.5 - Prob. 56SPRCh. 6.5 - Prob. 57SPRCh. 6.5 - Prob. 58SPRCh. 6.5 - Prob. 59SPRCh. 6.5 - Prob. 60SPRCh. 6.5 - Prob. 61SPRCh. 6.5 - Prob. 62SPRCh. 6.5 - Prob. 63SRCh. 6.5 - Prob. 64SRCh. 6.5 - Prob. 65SRCh. 6.6 - Prob. 1CYPCh. 6.6 - Prob. 2CYPCh. 6.6 - Prob. 3CYPCh. 6.6 - Prob. 4ACYPCh. 6.6 - Prob. 4BCYPCh. 6.6 - Prob. 1CYUCh. 6.6 - Prob. 2CYUCh. 6.6 - Prob. 3CYUCh. 6.6 - Prob. 4CYUCh. 6.6 - Prob. 5CYUCh. 6.6 - Prob. 6CYUCh. 6.6 - Prob. 7CYUCh. 6.6 - Prob. 8PPSCh. 6.6 - Prob. 9PPSCh. 6.6 - Prob. 10PPSCh. 6.6 - Prob. 11PPSCh. 6.6 - Prob. 12PPSCh. 6.6 - Prob. 13PPSCh. 6.6 - Prob. 14PPSCh. 6.6 - Prob. 15PPSCh. 6.6 - Prob. 16PPSCh. 6.6 - Prob. 17PPSCh. 6.6 - Prob. 18PPSCh. 6.6 - Prob. 19PPSCh. 6.6 - Prob. 20PPSCh. 6.6 - Prob. 21PPSCh. 6.6 - Prob. 22PPSCh. 6.6 - Prob. 23PPSCh. 6.6 - Prob. 24PPSCh. 6.6 - Prob. 25PPSCh. 6.6 - Prob. 26PPSCh. 6.6 - Prob. 27PPSCh. 6.6 - Prob. 28PPSCh. 6.6 - Prob. 29PPSCh. 6.6 - Prob. 30PPSCh. 6.6 - Prob. 31PPSCh. 6.6 - Prob. 32PPSCh. 6.6 - Prob. 33PPSCh. 6.6 - Prob. 34PPSCh. 6.6 - Prob. 35PPSCh. 6.6 - Prob. 36PPSCh. 6.6 - Prob. 37PPSCh. 6.6 - Prob. 38PPSCh. 6.6 - Prob. 39PPSCh. 6.6 - Prob. 40PPSCh. 6.6 - Prob. 41PPSCh. 6.6 - Prob. 42PPSCh. 6.6 - Prob. 43PPSCh. 6.6 - Prob. 44PPSCh. 6.6 - Prob. 45PPSCh. 6.6 - Prob. 46PPSCh. 6.6 - Prob. 47PPSCh. 6.6 - Prob. 48PPSCh. 6.6 - Prob. 49PPSCh. 6.6 - Prob. 50PPSCh. 6.6 - Prob. 51PPSCh. 6.6 - Prob. 52PPSCh. 6.6 - Prob. 53PPSCh. 6.6 - Prob. 54PPSCh. 6.6 - Prob. 55PPSCh. 6.6 - Prob. 56PPSCh. 6.6 - Prob. 57PPSCh. 6.6 - Prob. 58PPSCh. 6.6 - Prob. 59PPSCh. 6.6 - Prob. 60PPSCh. 6.6 - Prob. 61PPSCh. 6.6 - Prob. 62PPSCh. 6.6 - Prob. 63PPSCh. 6.6 - Prob. 64PPSCh. 6.6 - Prob. 65HPCh. 6.6 - Prob. 66HPCh. 6.6 - Prob. 67HPCh. 6.6 - Prob. 68HPCh. 6.6 - Prob. 69HPCh. 6.6 - Prob. 70STPCh. 6.6 - Prob. 71STPCh. 6.6 - Prob. 72STPCh. 6.6 - Prob. 73STPCh. 6.6 - Prob. 74SPRCh. 6.6 - Prob. 75SPRCh. 6.6 - Prob. 76SPRCh. 6.6 - Prob. 77SPRCh. 6.6 - Prob. 78SPRCh. 6.6 - Prob. 79SPRCh. 6.6 - Prob. 80SPRCh. 6.6 - Prob. 81SPRCh. 6.6 - Prob. 82SRCh. 6.6 - Prob. 83SRCh. 6.6 - Prob. 84SRCh. 6 - Prob. 1GRFCCh. 6 - Prob. 2GRFCCh. 6 - Prob. 3GRFCCh. 6 - Prob. 4GRFCCh. 6 - Prob. 5GRFCCh. 6 - Prob. 6GRFCCh. 6 - Prob. 7GRFCCh. 6 - Prob. 8GRFCCh. 6 - Prob. 9GRFCCh. 6 - Prob. 1MCQCh. 6 - Prob. 2MCQCh. 6 - Prob. 3MCQCh. 6 - Prob. 4MCQCh. 6 - Prob. 5MCQCh. 6 - Prob. 6MCQCh. 6 - Prob. 7MCQCh. 6 - Prob. 8MCQCh. 6 - Prob. 9MCQCh. 6 - Prob. 10MCQCh. 6 - Prob. 11MCQCh. 6 - Prob. 12MCQCh. 6 - Prob. 13MCQCh. 6 - Prob. 14MCQCh. 6 - Prob. 15MCQCh. 6 - Prob. 16MCQCh. 6 - Prob. 17MCQCh. 6 - Prob. 18MCQCh. 6 - Prob. 19MCQCh. 6 - Prob. 20MCQCh. 6 - Prob. 21MCQCh. 6 - Prob. 22MCQCh. 6 - Prob. 23MCQCh. 6 - Prob. 24MCQCh. 6 - Prob. 25MCQCh. 6 - Prob. 1SGRCh. 6 - Prob. 2SGRCh. 6 - Prob. 3SGRCh. 6 - Prob. 4SGRCh. 6 - Prob. 5SGRCh. 6 - Prob. 6SGRCh. 6 - Prob. 7SGRCh. 6 - Prob. 8SGRCh. 6 - Prob. 9SGRCh. 6 - Prob. 10SGRCh. 6 - Prob. 11SGRCh. 6 - Prob. 12SGRCh. 6 - Prob. 13SGRCh. 6 - Prob. 14SGRCh. 6 - Prob. 15SGRCh. 6 - Prob. 16SGRCh. 6 - Prob. 17SGRCh. 6 - Prob. 18SGRCh. 6 - Prob. 19SGRCh. 6 - Prob. 20SGRCh. 6 - Prob. 21SGRCh. 6 - Prob. 22SGRCh. 6 - Prob. 23SGRCh. 6 - Prob. 24SGRCh. 6 - Prob. 25SGRCh. 6 - Prob. 26SGRCh. 6 - Prob. 27SGRCh. 6 - Prob. 28SGRCh. 6 - Prob. 29SGRCh. 6 - Prob. 30SGRCh. 6 - Prob. 31SGRCh. 6 - Prob. 32SGRCh. 6 - Prob. 33SGRCh. 6 - Prob. 34SGRCh. 6 - Prob. 35SGRCh. 6 - Prob. 36SGRCh. 6 - Prob. 37SGRCh. 6 - Prob. 38SGRCh. 6 - Prob. 39SGRCh. 6 - Prob. 40SGRCh. 6 - Prob. 41SGRCh. 6 - Prob. 42SGRCh. 6 - Prob. 43SGRCh. 6 - Prob. 1PTCh. 6 - Prob. 2PTCh. 6 - Prob. 3PTCh. 6 - Prob. 4PTCh. 6 - Prob. 5PTCh. 6 - Prob. 6PTCh. 6 - Prob. 7PTCh. 6 - Prob. 8PTCh. 6 - Prob. 9PTCh. 6 - Prob. 10PTCh. 6 - Prob. 11PTCh. 6 - Prob. 12PTCh. 6 - Prob. 13PTCh. 6 - Prob. 14PTCh. 6 - Prob. 15PTCh. 6 - Prob. 16PTCh. 6 - Prob. 17PTCh. 6 - Prob. 18PTCh. 6 - Prob. 19PTCh. 6 - Prob. 20PTCh. 6 - Prob. 21PTCh. 6 - Prob. 22PTCh. 6 - Prob. 23PTCh. 6 - Prob. 24PTCh. 6 - Prob. 25PTCh. 6 - Prob. 1STPCh. 6 - Prob. 2STPCh. 6 - Prob. 3STPCh. 6 - Prob. 4STPCh. 6 - Prob. 5STPCh. 6 - Prob. 6STPCh. 6 - Prob. 7STPCh. 6 - Prob. 8STPCh. 6 - Prob. 9STPCh. 6 - Prob. 10STPCh. 6 - Prob. 11STPCh. 6 - Prob. 12STPCh. 6 - Prob. 13STPCh. 6 - Prob. 14STP
Knowledge Booster
Background pattern image
Geometry
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, geometry and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Text book image
Elementary Geometry For College Students, 7e
Geometry
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Cengage,
Text book image
Elementary Geometry for College Students
Geometry
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Cengage Learning
An Introduction to Area | Teaching Maths | EasyTeaching; Author: EasyTeaching;https://www.youtube.com/watch?v=_uKKl8R1xBM;License: Standard YouTube License, CC-BY
Area of a Rectangle, Triangle, Circle & Sector, Trapezoid, Square, Parallelogram, Rhombus, Geometry; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=JnLDmw3bbuw;License: Standard YouTube License, CC-BY