allery7 cm ବ୍ୟାସାର୍ଦ୍ଧ ବିଶିଷ୍ଟ ଏକ କୋନର ଆୟତନ 154 cm³ ଅଟେ (pi = 22/7)। ଏହାର ଉଚ୍ଚତା କେତେ?
A6 cm
B1 cm
C9 cm
D3 cm
Answer & Solution
Correct answer: D. 3 cm
(1/3)(22/7)(49)h = 154 ରୁ ଆମେ ପାଇବା (154/3)h = 154, ତେଣୁ h = 3 cm।
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