James concurs that since D is the midpoint of AB, E is the midpoint of BC, and F is the midpoint of CA, then the perimeter of triangle DEF will be half the perimeter of the triangle ABC. Consider triangle ABC and triangle DEF graphed on the coordinate plane.10BD-10-9- -7-6--4-3-2 -310AF-59--7-8-9-10James concurs that since D is the midpoint of AB, E is the midpoint of BC, and F is themidpoint of CA, then the perimeter of triangle DEF will be half the perimeter of triangleАВС.Determine if James is corect or incorrect. Justify your answer

Name: James concurs that since D is the midpoint of AB, E is the midpoint of
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Description: James concurs that since D is the midpoint of AB, E is the midpoint of BC, and F is the midpoint of CA, then the perimeter of triangle DEF will be half the perimeter of the triangle ABC. Consider triangle ABC and triangle DEF graphed on the coordinat

Since , D and E is the mid point of AB and BC respectively ,then by theorem that ,DE=12AC -iE and…

Answered: Consider triangle ABC and triangle DEF…

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter3: Triangles

Section3.4: Basic Constructions Justified

Problem 38E

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James concurs that since D is the midpoint of AB, E is the midpoint of BC, and F is the midpoint of CA, then the perimeter of triangle DEF will be half the perimeter of the triangle ABC.

Consider triangle ABC and triangle DEF graphed on the coordinate plane.
10
B
D
-10-9- -7-6-
-4-3-2 -
3
10
A
F
-5
9-
-7
-8
-9
-10
James concurs that since D is the midpoint of AB, E is the midpoint of BC, and F is the
midpoint of CA, then the perimeter of triangle DEF will be half the perimeter of triangle
АВС.
Determine if James is corect or incorrect. Justify your answer

Polygon with three sides, three angles, and three vertices. Based on the properties of each side, the types of triangles are scalene (triangle with three three different lengths and three different angles), isosceles (angle with two equal sides and two equal angles), and equilateral (three equal sides and three angles of 60°). The types of angles are acute (less than 90°); obtuse (greater than 90°); and right (90°).

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