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ایک دائرے کا رقبہ 154 sq cm (pi = 22/7) ہے۔ اس کا قطر کیا ہے؟

A22 cm
B14 cm
C7 cm
D28 cm
Answer & Solution
Correct answer: B. 14 cm
رداس مربع ہے 154 x 7/22 = 49، لہذا رداس 7 سینٹی میٹر ہے اور قطر 14 سینٹی میٹر ہے۔
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