allerypi ची किंमत 22/7 मानल्यास, 7 cm त्रिज्या असलेल्या वर्तुळाचा परिघ किती असेल?
A22 cm
B44 cm
C38 cm
D154 cm
Answer & Solution
Correct answer: B. 44 cm
परिघ = 2 x 22/7 x 7 = 44 cm.
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