Question

if circumference of circle is 154m ,find radius of circle​

Answer 1

Answer:

7 cm

Step-by-step explanation:

circumference =

$2\pi \: r$

=> 154= 2×22/7×r

=> r = 154×7/22×2

=> = 7×7/2

=> = 14/2

=> = 7 cm

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Answer 2

Answer:

Radius is 24.52 m .

Step-by-step explanation:

Given -

Circumference of circle is 154 m

To find -

The radius of circle

Solution -

As we know that,

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

Where,

r is radius of circle.

Put the given values in these formula we get

$154 = 2\pi \times r$

$\frac{154}{2\pi}  = r$

$\frac{77}{\pi}  = r$

The value of π is 3.14 .

$\frac{77}{3.14}  = r$

$r = 24.52$

So,

Radius is 24.52 m .