Question

Circumference of circle is 20π then radius is
A.10 B.20 C.15 D.5
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Answer 1

Step-by-step explanation:

10 is the answer for above question

Answer 2

$c = 2\pi.r \\ \\ \to{}20 \times \frac{22}{7} = 2 \times \frac{22}{7} \times r \\ \\ \to20 = 2r \\ \\ \to.r = 10$

Option A