The ratio of the areas of the incircle and circumcircle of a square will be :
किसी वर्ग के अन्त:वृत्त और बहिर्वृत्त के क्षेत्रफल का अनुपात होगा :
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Correct answer: C. 1 : 2
Explanation
For side a: incircle r = a/2, circumcircle R = a/√2. Areas ∝ r² : R² = a²/4 : a²/2 = 1 : 2.
भुजा a: r = a/2, R = a/√2; क्षेत्रफल अनुपात = 1/4 : 1/2 = 1 : 2।
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