SOLUTION: An arc of a circle of radius 7.5cm is 7.5cm long, find correct to nearest degree, the angle which the arc subtends at the center of the circle (take pie =22/7)

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Question 1098478: An arc of a circle of radius 7.5cm is 7.5cm long, find correct to nearest degree, the angle which the arc subtends at the center of the circle (take pie =22/7)
Answer by ikleyn(52795) About Me  (Show Source):
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The central angle is exactly 1 (one) radian,  or  1%2F%282%2Api%29 of 360 degrees.


Since the condition order me to take pi = 22%2F7, the central angle is


360%2F%282%2A%2822%2F7%29%29 = %28360%2A7%29%2F44 = 57 degrees (correct to nearest degree).