alleryଗୋଟିଏ ଆୟତାକାର ହଲ୍ 12 m ଲମ୍ବା ଏବଂ 9 m ଓସାରିଆ। ଏହାର ଚଟାଣର କ୍ଷେତ୍ରଫଳ କେତେ?
A42 m²
B21 m²
C96 m²
D108 m²
Answer & Solution
Correct answer: D. 108 m²
ଆୟତକ୍ଷେତ୍ରର କ୍ଷେତ୍ରଫଳ ହେଉଛି ଦୈର୍ଘ୍ୟ ଗୁଣନ ପ୍ରସ୍ଥ, ତେଣୁ 12 x 9 = 108 square metres।
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