alleryਕਿਹੜਾ ਫਾਰਮੂਲਾ r ਰੇਡੀਅਸ ਅਤੇ ਉਚਾਈ h ਵਾਲੇ ਸੱਜੇ ਸਿਲੰਡਰ ਦੇ ਵਕਰ ਪਾਸੇ ਦੇ ਖੇਤਰਫਲ ਨੂੰ ਦਰਸਾਉਂਦਾ ਹੈ?
Aਪਾਈ * ਆਰ^2
B2pi * r * h
Cਪਾਈ * ਆਰ^2 * ਐੱਚ
D4pi * r^2
Answer & Solution
Correct answer: B. 2pi * r * h
ਇੱਕ ਸੱਜੇ ਸਿਲੰਡਰ ਦਾ ਵਕਰ ਵਾਲਾ ਪਾਸੇ ਵਾਲਾ ਸਤਹ ਖੇਤਰਫਲ 2 * pi * r * h ਦੁਆਰਾ ਦਿੱਤਾ ਗਿਆ ਹੈ।
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