Arithmetic Ability
Area

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Q.

Find the ratio of the areas of the incircle and circumcircle of a square.

View Answer

Correct choice: B

Explanation:

Let the side of the square be x. Then, its diagonal = 2x2−−−√=2x−−√ Radius of incircle = x2 Radius of circum circle= 2–√×x2=x2√ Required ratio = πx24:πx22=14:12=1:2
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