Question

if the circumference of a circle with radius3.5cm and centre o is 22cm. Find the perimeter of the quarter of the circle

Answer 1

Perimeter of quarter of a circle = 1/4 circumference + 2radius
= 1/4(22) + 2(3.5) cm
= 5.5 + 7 cm
= 12.5 cm

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Answer 2

Radius=3.5cm
Circumference=2Πr=22cm
Quarter of circle =1/4th of circle
So, perimeter of quarter=1/4th of circumference
Ans. Perimeter=22/4
=11/2
=5.5 cm
That's all....:):)