Question

16. The perimeter of circle with centre 'O' is 24cm, the angle formed by an arc of the circle at its centre s 30°. Find the length of the arc AB.​

Answer 1

Answer:

Step-by-step explanation:

Given:-perimeter of circle=24cm

<AOB=30°=theta

Perimeter of circle=circumference of circle =24cm

=>2Πr=24

=>Πr=12

=>r=12Π cm

Length of arc AB=Πrtheta/180°

=>22/7×12Π×30°/180°

=>22/7×12×22/7/6

=>22/7×12×22/7×1/6

=>968/49

=>19.75 cm

Answer 2

Step-by-step explanation:

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