Question

22. What is the length of the are that subtends an angle of 77 at the centre of a circle of radius 5 cm.​

Answer 1

Answer:

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Answer 2

Answer:

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Step-by-step explanation:

Divide the central angle in radians by 2 and perform the sine function on it. Divide the chord length by double the result of step 1. This calculation gives you the radius. Multiply the radius by the central angle to get the arc length.