alleryଏକ ରମ୍ବସର ବାହୁ 10 cm ଏବଂ ଗୋଟିଏ କର୍ଣ୍ଣ 12 cm। ଏହାର କ୍ଷେତ୍ରଫଳ କେତେ?
A96 cm²
B60 cm²
C120 cm²
D192 cm²
Answer & Solution
Correct answer: A. 96 cm²
ଅର୍ଦ୍ଧ-କର୍ଣ୍ଣ 6 ଏବଂ ବାହୁ 10 ରୁ ଅନ୍ୟ ଅର୍ଦ୍ଧ-କର୍ଣ୍ଣ 8 ମିଳେ, ତେଣୁ କର୍ଣ୍ଣଦ୍ୱୟ 12 ଏବଂ 16 ରୁ କ୍ଷେତ୍ରଫଳ 96 square centimetres ମିଳିଥାଏ।
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