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10 cm വ്യാസമുള്ള വൃത്തത്തിന്റെ ചുറ്റളവ് ?

A15𝝅 cm

B10𝝅 cm

C20𝝅 cm

D30𝝅 cm

Answer:

B. 10𝝅 cm

Read Explanation:

ആരം r = 10/2 = 5 വൃത്തത്തിന്റെ ചുറ്റളവ് = 2𝝅r = 2 × 𝝅 × 5 = 10𝝅 cm


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