Question

Find the area of circle whose circumference is 44 cm

Answer 1

Answer:

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Answer 2

154 cm²

Given:

Circumference of the circle = 44 cm

To Find:

Area of the Circle = ?

Calculating:

Formula that is used to find the Circumference of the circle:

= 2$\pir$$\pi$r

First let us find the radius of the circle by using the formula to find the Circumference of circle:

2$\pir$$\pi$r = 44

$\pi$r = 44 / 2

$\pir$$\pi$r = 22

22 / 7 x r = 22

Taking 22/7 to the other side of the equation we get:

r = 22 x 7 / 22

r = 7 cm

Therefore, the radius of the circle is 7 cm.

Formula that is used to find the area of a circle:

= $\pi$$r^{2}$

Putting the value of the radius which we found out into this formula we get:

= 22 / 7 x 7 x 7

= 22 x 7

= 154 $cm^{2}$

Therefore, the area of the circle is 154 cm².