Tip: For each question, draw a picture, marking the lengths and angles given. a. A circle is centered at the vertex of an angle, and the angle's rays subtend an arc that is 97.9 cm long. 1/360h of the circumference of the circle is 0.55 cm long. What is the measure of this angle in degrees? |* degrees Preview 53.845 b. A circle with a circumference of 450 cm is centered at the vertex of an angle, and the angle's rays subtend an arc that is 283.75 cm long. What is the measure of this angle in degrees? Hint: What portion of the circumference of the circle is this ray? How many degrees are in a circle? |* degrees Preview Hint: Start by computing 1/360th of the circumference of the circle, and then use that as your unit of measure to measure the subtended arc.
Tip: For each question, draw a picture, marking the lengths and angles given. a. A circle is centered at the vertex of an angle, and the angle's rays subtend an arc that is 97.9 cm long. 1/360h of the circumference of the circle is 0.55 cm long. What is the measure of this angle in degrees? |* degrees Preview 53.845 b. A circle with a circumference of 450 cm is centered at the vertex of an angle, and the angle's rays subtend an arc that is 283.75 cm long. What is the measure of this angle in degrees? Hint: What portion of the circumference of the circle is this ray? How many degrees are in a circle? |* degrees Preview Hint: Start by computing 1/360th of the circumference of the circle, and then use that as your unit of measure to measure the subtended arc.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter10: Measurement, Area, And Volume
Section10.4: Circumference And Area Of A Circle
Problem 33E
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