alleryਇੱਕ ਸਮਚਿੱਤਰ ਦਾ ਭੁਜਾ 10 cm ਅਤੇ ਇੱਕ ਵਿਕਰਣ 12 cm ਹੁੰਦਾ ਹੈ। ਇਸਦਾ ਖੇਤਰਫਲ ਕੀ ਹੈ?
A96 cm²
B60 cm²
C120 cm²
D192 cm²
Answer & Solution
Correct answer: A. 96 cm²
ਅਰਧ-ਵਿਕਰਣ 6 ਅਤੇ ਪਾਸੇ 10 ਦੂਜੇ ਅੱਧ-ਵਿਕਰਣ 8 ਦਿੰਦੇ ਹਨ, ਇਸ ਲਈ ਵਿਕਰਣ 12 ਅਤੇ 16 ਖੇਤਰਫਲ 96 ਵਰਗ ਸੈਂਟੀਮੀਟਰ ਦਿੰਦੇ ਹਨ।
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