allery30 m ଲମ୍ବ ଓ 20 m ପ୍ରସ୍ଥର ବଗିଚାକୁ ଘେରିଥିବା ସମାନ ପ୍ରସ୍ଥର ବାହାର ରାସ୍ତାର କ୍ଷେତ୍ରଫଳ 216 m²; ପ୍ରସ୍ଥ କେତେ?
A3 m
B1 m
C4 m
D2 m
Answer & Solution
Correct answer: D. 2 m
ମୋଟେଇ x ପାଇଁ, (30 + 2x) (20 + 2x) - 600 = 216 ଦିଏ (x - 2) (x + 27) = 0, ତେଣୁ x = 2 ମି।
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