alleryవ్యాసార్థం r మరియు ఎత్తు h కలిగిన లంబ స్థూపం యొక్క వక్రతల వైశాల్యాన్ని ఏ సూత్రం తెలియజేస్తుంది?
Api * r^2
B2pi * r * h
Cpi * r^2 * h
D4pi * r^2
Answer & Solution
Correct answer: B. 2pi * r * h
లంబ స్థూపం యొక్క ప్రక్కతల వక్ర వైశాల్యం 2 * pi * r * h ద్వారా ఇవ్వబడుతుంది.
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