alleryएका वर्तुळपाकळीचा कोन 90° आणि त्रिज्या 14 cm आहे. pi = 22/7 मानल्यास, तिचे क्षेत्रफळ किती आहे?
A124 sq cm
B154 sq cm
C77 sq cm
D308 sq cm
Answer & Solution
Correct answer: B. 154 sq cm
संपूर्ण वर्तुळाच्या 616 या क्षेत्रफळाचा एक चतुर्थांश भाग म्हणजेच 154 square centimetres.
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