Question

if redius of circl is 7cm find area of circl​

Answer 1

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Area of Circle = πr²

Area of Circle = πr² Area= 22 ×7 = 154 cm²

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Answer 2

Given -

Radius of circle is 7 cm.

To find -

Area of circle

Solution-

As we know that,

Area of circle = $\pi {r}^{2}$

Where,

r = radius of circle

Put the given value of r in these formula,

Area of circle = $\pi \times {7}^{2}$

Square means multiply the given number with itself twice.

Square of 7 $= 7 \times 7 = 49$

Area of circle = $\pi \times 49$

The value of π is 3.14 .

Area of circle = $3.14 \times 49$

Area of circle = $153.86$

Hence,

Area of circle is 153.86 ${cm}^{2}$