Question

The area of a circle is 616 sq.M find its diameter

Answer 1

hey mate ........ here is ur solution

Answer 2

The diameter is 28 m.

Step-by-step explanation:

Given : The area of a circle is 616 sq.m.

To find : Its diameter ?

Solution :

The area of the circle is $A=\pi r^2$

Here, A is the area A=616 m²

r is the radius

Substitute in the formula,

$616=\frac{22}{7}\times r^2$

$r^2=\frac{616\times 7}{22}$

$r^2=196$

$r=\sqrt{196}$

$r=14$

The radius is 14.

The diameter is $d=2r$

$d=2\times 14$

$d=28$

Therefore, the diameter is 28 m.

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