allerypi କୁ 22/7 ଧରି, 7 cm ବ୍ୟାସାର୍ଦ୍ଧ ବିଶିଷ୍ଟ ଏକ ବୃତ୍ତର କ୍ଷେତ୍ରଫଳ କେତେ?
A154 cm²
B49 cm²
C44 cm²
D308 cm²
Answer & Solution
Correct answer: A. 154 cm²
ବୃତ୍ତର କ୍ଷେତ୍ରଫଳ ହେଉଛି pi r squared, ତେଣୁ (22/7) x 49 = 154 square centimetres।
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