allery7 ਸੈਂਟੀਮੀਟਰ ਅਰਧ ਵਿਆਸ ਵਾਲੇ ਚੱਕਰ ਦਾ ਘੇਰਾ ਕਿੰਨਾ ਹੈ? (pi = 22/7 ਲਓ)
A22 cm
B88 cm
C44 cm
D154 cm
Answer & Solution
Correct answer: C. 44 cm
ਘੇਰਾ = 2 * pi * r = 2 * (22/7) * 7 = 44 ਸੈ.ਮੀ.
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