Question

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Answer 1

Answer :

›»› The circumference of circle is 14π cm.

Given :

• The area of circle = 49π cm².

To Find :

• Circumference of circle = ?

Solution :

Here in this question we have to find the circumference of circle. So, firstly we need to find the radius of circle, after that we will find the circumference of circle.

Let us assume that, the radius of circle is r cm.

As we know that

→ Area of circle = πr²

→ 49π = πr²

π will be cancel from both sides,

→ 49π = r²

→ r² = 49

→ r = √49

→ r = 7

Now,

As we know that

→ Circumference of circle = 2πr

→ Circumference of circle = 2 * π * 7

→ Circumference of circle = 2 * 7 * π

→ Circumference of circle = 14 * π

→ Circumference of circle = 14π

Hence, the circumference of circle is 14π cm.

Answer 2

this is the answer ....................

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