allery14 cm त्रिज्या असलेल्या वर्तुळातून 90 degrees कोनाची एक वृत्तपाकळी कापली आहे. तिचे क्षेत्रफळ काढा (pi = 22/7).
A154 cm²
B77 cm²
C616 cm²
D308 cm²
Answer & Solution
Correct answer: A. 154 cm²
वर्तुळाच्या क्षेत्रफळाचा एक चतुर्थांश भाग = (1/4)(22/7)(196) = 154 cm² आहे.
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