alleryr ବ୍ୟାସାର୍ଦ୍ଧ ବିଶିଷ୍ଟ ଏକ ଗୋଲକକୁ ଆବଦ୍ଧ କରୁଥିବା ମୋଟ ବାହ୍ୟ ପୃଷ୍ଠତଳ କ୍ଷେତ୍ରଫଳ କେଉଁ ବୀଜଗାଣିତିକ ରାଶି ଦ୍ୱାରା ଗଣନା କରାଯାଏ?
A2pi * r^2
B4pi * r^2
C(4/3)pi * r^3
D(2/3)pi * r^3
Answer & Solution
Correct answer: B. 4pi * r^2
r ବ୍ୟାସାର୍ଦ୍ଧ ବିଶିଷ୍ଟ ଏକ ଗୋଲକର ପୃଷ୍ଠତଳ କ୍ଷେତ୍ରଫଳ 4 * pi * r^2 ଦ୍ୱାରା ଦିଆଯାଏ।
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