Question

Q. 8
Find diameter of a circle whose circumference is 1386cm
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Answer 1

Answer:

Mark as brainliest answer.

Step-by-step explanation:

→ Formula of circumference of circle = 2πr

→ A.T.Q

→ 2πr = 1386 cm

→ 2 × 22/7 × r = 1386

→ 44r/7 = 1386

→ 44r = 9702

→ r = 9702/44

→ r = 220.5

→ d = 2r

→ d = 2(220.5)

→ d = 441 cm

→ So diameter is 441 cm.