alleryꯔꯦꯗꯤꯌꯁ r ꯑꯃꯁꯨꯡ ꯍꯥꯏꯠ h ꯂꯩꯕꯥ ꯔꯥꯏꯠ ꯁꯤꯂꯤꯟꯗꯔ ꯑꯃꯒꯤ ꯀꯥꯔꯚ ꯁꯥꯏꯗ ꯑꯦꯔꯤꯌꯥ ꯑꯗꯨ ꯀꯔꯝꯕꯥ ꯐꯣꯔꯃꯨꯂꯥꯅꯥ ꯄꯤꯕꯒꯦ?
Api * r^2 ꯍꯥꯌꯅꯥ ꯀꯧꯏ꯫
B2pi * r * h
Cpi * r^2 * h
D4ꯄꯤ * ꯔ^2
Answer & Solution
Correct answer: B. 2pi * r * h
ꯔꯥꯏꯠ ꯁꯤꯂꯤꯟꯗꯔ ꯑꯃꯒꯤ ꯀꯥꯔꯚ ꯂꯦꯇꯔꯦꯜ ꯁꯔꯐꯦꯁ ꯑꯦꯔꯤꯌꯥ ꯑꯁꯤ 2 * pi * r * hꯅꯥ ꯄꯤ꯫
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