alleryଗୋଟିଏ ଆୟତକ୍ଷେତ୍ରର ଦୈର୍ଘ୍ୟ ଏହାର ପ୍ରସ୍ଥଠାରୁ 4 cm ଅଧିକ ଏବଂ ଏହାର ପରିସୀମା 40 cm। ଏହାର ଦୈର୍ଘ୍ୟ ହେଉଛି
A8 cm
B10 cm
C12 cm
D16 cm
Answer & Solution
Correct answer: C. 12 cm
ଦୈର୍ଘ୍ୟ ଏବଂ ପ୍ରସ୍ଥର ଯୋଗଫଳ 20 ଏବଂ ସେମାନଙ୍କର ଅନ୍ତର 4, ତେଣୁ ଦୈର୍ଘ୍ୟ 12 cm ଅଟେ।
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