alleryଏକ ରମ୍ବସର କର୍ଣ୍ଣଦ୍ୱୟର ମାପ 16 cm ଏବଂ 30 cm ଅଟେ। ଏହାର କ୍ଷେତ୍ରଫଳ କେତେ?
A120 cm²
B46 cm²
C480 cm²
D240 cm²
Answer & Solution
Correct answer: D. 240 cm²
ରମ୍ବସର କ୍ଷେତ୍ରଫଳ ହେଉଛି ଏହାର କର୍ଣ୍ଣଦ୍ୱୟର ଗୁଣଫଳର ଅର୍ଦ୍ଧେକ, ତେଣୁ 0.5 x 16 x 30 = 240 square centimetres।
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