Question

If the area of circle is 154 sq.m., find its radius and circumference.​

Answer 1

Answer:

r=A

π=154

π≈7.00141

Step-by-step explanation:

a=154

r= 7

p=2*22/7*7=44

Answer 2

As per data given in the question,

We have to determine the value of radius and circumference of the circle.

As per data,

It is given that,

Area of circle $= 154\:m^2$

We know that,

Area of circle $=\Pi r^2$

Circumference of circle $=2\Pi r$

So, from the formula of area of circle,

We will get,

$154 = \Pi r^2\\=> \frac{154}{\Pi} =r^2\\=>r^ 2= \frac{154}{22/7}\\=> r^2 = 49\\=>r = 7\; m$

Hence, value of radius will be 7 m.

So, circumference of circle will be

$2\Pi r\\=>2 \times \frac{22}{7} \times 7\\=> 44\:m$