alleryਇੱਕ ਨਿਯਮਤ ਬਹੁਭੁਜ ਦਾ ਘੇਰਾ 40 cm ਅਤੇ ਅਪੋਥਮ 6 cm ਹੁੰਦਾ ਹੈ। ਇਸਦਾ ਖੇਤਰਫਲ ਕੀ ਹੈ?
A240 cm²
B46 cm²
C120 cm²
D60 cm²
Answer & Solution
Correct answer: C. 120 cm²
ਖੇਤਰਫਲ ਐਪੋਥਮ ਦੇ ਘੇਰੇ ਦੇ ਅੱਧੇ ਗੁਣਾ ਹੈ, ਇਸ ਲਈ 0.5 x 40 x 6 = 120 ਵਰਗ ਸੈਂਟੀਮੀਟਰ।
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