allery14 cm ત્રિજ્યા ધરાવતા વર્તુળમાંથી 90 ડિગ્રીના ખૂણાવાળો એક વૃત્તાંશ કાપવામાં આવે છે. તેનું ક્ષેત્રફળ શોધો (pi = 22/7).
A154 cm²
B77 cm²
C616 cm²
D308 cm²
Answer & Solution
Correct answer: A. 154 cm²
વર્તુળના ક્ષેત્રફળનો ચોથો ભાગ (1/4)(22/7)(196) = 154 ચોરસ સેન્ટિમીટર થાય છે.
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