contestada

A circle has a central angle measuring 90° that intersects an arc of length 117.75 inches.

Using 3.14 for π, what is the length of the radius of the circle?

_____ inches

Respuesta :



Arc Length=Center Angle/360.2.pi.r
117,75=90/360.2.3,14.r
r=117,75/1,57
r=75

Answer:

75 inches

Next Question- How many complete rotations does the minute hand of a clock make as it moves from 12:00 noon to 4:00 p.m?

Answer- 4 Rotations

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Answer- 8π radians

Part 3 of next question- The minute hand of the clock is 5 inches long. How far does the tip of the minute hand move in 4 full rotations? Calculate your answer using the pi button on your calculator and round to the nearest tenth of an inch.

Answer- 125.7 inches

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