Question

if the radius of a circle 2r so what is its circumference​

Answer 1

Answer:

Given: r = 2r

we know that, circumference of the circle = 2 × pi × r

= 2 × 3.14 × 2r

= 12.56 r cm

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Answer 2

Answer:

circumference = 2×22/7×r

2×3.14×2r

6.28 ×2r

1.256

Step-by-step explanation:

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