alleryଏକ ବୃତ୍ତକଳାର କୋଣ 90° ଏବଂ ବ୍ୟାସାର୍ଦ୍ଧ 14 cm ଅଟେ। pi = 22/7 ବ୍ୟବହାର କରି, ଏହାର କ୍ଷେତ୍ରଫଳ କେତେ?
A124 sq cm
B154 sq cm
C77 sq cm
D308 sq cm
Answer & Solution
Correct answer: B. 154 sq cm
ସମ୍ପୂର୍ଣ୍ଣ ବୃତ୍ତର କ୍ଷେତ୍ରଫଳ 616 ର ଏକ ଚତୁର୍ଥାଂଶ 154 square centimetres ଦିଏ।
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