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Q.

The area of a circle with a circumference of 88 cm is ____cm2.

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Detailed Solution

Concept- The area of a circle with a circumference of 88 cm is 616.
To solve this question, let us assume the radius of the circle to be “r”.
We know that, circumference of a circle =

and π value can be approximated to

Therefore, from the given data, we can use the formula of circumference of a circle as an equation and solving it, we will obtain the value of “r”.
Using the value of “r” in the formula of Area of circle, i.e.,

, we will obtain our desired answer.
Given, the circumference of the circle is 88.
Question Image

Question Image

Therefore, area of the circle is
Question Image

Question Image

Hence, the correct answer is 616 sq. cm.

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