Question

length of an arc is 22cm and radius of the circle is 7cm find the central angle​

Answer 1

Step-by-step explanation:

length of an arc o a circle with radius r and central angle θ is

πrθ/180°

given

r=7

πrθ/180° = 22

taking π=22/7

22/7 ×7 × θ = 22

22θ = 22

θ=1°

so the central angle subtended by the arc is 1°

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