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Q.

The circumference of the circle is 22 cm. Find the area of its quadrant.

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a

Question Image

b

Question Image

c

Question Image

d

Question Image 

answer is A.

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Detailed Solution

Here, we have given that the circumference of the circle is 22 cm. So, we have to find the area of its quadrant
Let us assume the radius of the circle =r cm
∵ circumference of circle =22cm
∵ We know that circumference of circle =2πr=2πr
Question Image   Now, put the value of π in the above equation
Question Image Area of quadrant =Question Image Question Image ∴ We have Area of quadrant Question ImageSo, Option 1 is correct.
 
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