1. A 3 ft 140° 18 m 60° B ÎM AB 3. 4. |4 cm 72° 15 in. 120° Y R 2.

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Chapter7: Triangles
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Problem 17CT: Arc Length Suppose Figure 1 is an exaggerated diagram of a plane flying above Earth. When the plane...
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LESSON Arc Length and Radian Measure
16-2
Practice and Problem Solving: A/B
For each figure, calculate the length of the arc. Give your answer in
terms of rand rounded to the nearest hundredth.
1.
2.
A
3 ft
140°
M
18 m
60°
B
ÎM
ÅB
3.
4.
4 cm
72°
15 in.
Y
120°
R
XY.
5. What is the length of an arc with a measure of 45°
in circle with a diameter of 4 miles?
6. What is the length of an arc with a measure of
120° in a circle with a diameter of 30 millimeters?
7. The minute hand on an analog clock is 6 inches long.
How far does the tip of the minute hand travel as time
goes from 6:35 to 6:45? Round to the nearest tenth.
8. The minute hand on an analog clock is 8 inches long.
How far does the tip of the minute hand travel as time
goes from 1:27 to 1:43? Round to the nearest tenth.
Change the given angle measure from degrees to radians.
9. 10°
10. 225°
11. 144°
12. 50°
Transcribed Image Text:LESSON Arc Length and Radian Measure 16-2 Practice and Problem Solving: A/B For each figure, calculate the length of the arc. Give your answer in terms of rand rounded to the nearest hundredth. 1. 2. A 3 ft 140° M 18 m 60° B ÎM ÅB 3. 4. 4 cm 72° 15 in. Y 120° R XY. 5. What is the length of an arc with a measure of 45° in circle with a diameter of 4 miles? 6. What is the length of an arc with a measure of 120° in a circle with a diameter of 30 millimeters? 7. The minute hand on an analog clock is 6 inches long. How far does the tip of the minute hand travel as time goes from 6:35 to 6:45? Round to the nearest tenth. 8. The minute hand on an analog clock is 8 inches long. How far does the tip of the minute hand travel as time goes from 1:27 to 1:43? Round to the nearest tenth. Change the given angle measure from degrees to radians. 9. 10° 10. 225° 11. 144° 12. 50°
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