alleryଉପର ଖୋଲା ଆୟତଘନାକାର ବାକ୍ସର ମାପ 8 × 5 × 3 cm; ଏହାର ବାହ୍ୟ ପୃଷ୍ଠତଳର କ୍ଷେତ୍ରଫଳ କେତେ? ପଦାର୍ଥର ମୋଟେଇକୁ ଅଗ୍ରାହ୍ୟ କରନ୍ତୁ।
A158 cm²
B120 cm²
C94 cm²
D118 cm²
Answer & Solution
Correct answer: D. 118 cm²
ଭୂମି ଓ ଚାରି ପାର୍ଶ୍ୱର ମୋଟ କ୍ଷେତ୍ରଫଳ 8 × 5 + 2 × 8 × 3 + 2 × 5 × 3 = 118 cm²।
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