alleryਕਿਨਾਰੇ 5 ਸੈਂਟੀਮੀਟਰ ਵਾਲੇ ਘਣ ਦਾ ਕੁੱਲ ਸਤ੍ਹਾ ਖੇਤਰਫਲ ਪਤਾ ਕਰੋ।
A150 cm²
B100 cm²
C125 cm²
D25 cm²
Answer & Solution
Correct answer: A. 150 cm²
ਇੱਕ ਘਣ ਦੇ ਛੇ ਵਰਗਾਕਾਰ ਚਿਹਰੇ ਹੁੰਦੇ ਹਨ, ਇਸ ਲਈ ਖੇਤਰਫਲ 6 x 25 = 150 ਵਰਗ ਸੈਂਟੀਮੀਟਰ ਹੈ।
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