alleryਇੱਕ ਸਮਭੁਜ ਦੇ ਵਿਕਰਣ 16 cm ਅਤੇ 30 cm ਮਾਪਦੇ ਹਨ। ਇਸਦਾ ਖੇਤਰਫਲ ਕੀ ਹੈ?
A120 cm²
B46 cm²
C480 cm²
D240 cm²
Answer & Solution
Correct answer: D. 240 cm²
ਰੋਂਬਸ ਖੇਤਰਫਲ ਇਸਦੇ ਵਿਕਰਣਾਂ ਦੇ ਗੁਣਨਫਲ ਦਾ ਅੱਧਾ ਹੈ, ਇਸ ਲਈ 0.5 x 16 x 30 = 240 ਵਰਗ ਸੈਂਟੀਮੀਟਰ।
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