alleryଏକ ବୃତ୍ତାକାର ଧୋଇବା ରେଡି 7 ସେମି ଏବଂ 3.5 ସେମି; ଏହାର ଧାତୁ କ୍ଷେତ୍ର? π = 22/7
A154 cm²
B115.5 cm²
C192.5 cm²
D38.5 cm²
Answer & Solution
Correct answer: B. 115.5 cm²
ଧାତୁ କ୍ଷେତ୍ର ହେଉଛି (22/7) × (7² - 3.5²) = 115.5 cm² |
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