Question

the circumference of the circumference of a circle is 136 metre find the radius of a circle​

Answer 1

Circumference of circle=2πr

2πr=136

2×22/7×r=136

r=136×7/22×1/2

r=21.63m(approx.)

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Answer 2

Answer:

Radius of circle is 21.65 m.

Step-by-step explanation:

Given -

Circumference of circle is 136 m

To find -

The radius of circle

Solution -

The circumference means the length of the complete arc of a circle.

As we know that,

Circumference of circle = $2 \times \pi \times r$

Where,

r is a radius of circle.

Put the given values in these formula we get

$136 = 2\pi \times r$

$\frac{136}{2\pi} = r$

$\frac{68}{\pi} = r$

The value of π is 3.14 .

$\frac{68}{3.14} = r$

$r = 21.65$

So,

Radius of circle is 21.65 m.