alleryਇੱਕ ਰੇਡੀਅਸ-7 cm ਉਚਾਈ ਦੇ ਸਿਲੰਡਰ 10 cm ਦੇ ਉੱਪਰ ਇੱਕ ਮੇਲ ਖਾਂਦਾ ਗੋਲਾਕਾਰ ਹੈ। ਹੇਠਾਂ ਨੂੰ ਛੱਡ ਕੇ ਖੇਤਰ ਦਾ ਖੁਲਾਸਾ ਹੋਇਆ ਹੈ? π = 22/7 ਦੀ ਵਰਤੋਂ ਕਰੋ।
A594 cm²
B902 cm²
C748 cm²
D1056 cm²
Answer & Solution
Correct answer: C. 748 cm²
ਸਿਰਫ਼ ਸਿਲੰਡਰ ਦਾ ਕਰਵ ਖੇਤਰ ਅਤੇ ਗੋਲਿਸਫਾਇਰ ਦਾ ਕਰਵ ਖੇਤਰ ਸਾਹਮਣੇ ਆਉਂਦਾ ਹੈ: 440 + 308 = 748 cm ²।
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