Question

if the area of a circle is 45 CM square then its radius is​

Answer 1

Answer: it is √45*7/22

Hope it will be a brainliest answer

Step-by-step explanation:

Answer 2

Answer:

The radius is 3.78 cm.

Step-by-step explanation:

Area of circle = 45 sq.cm

But, area of circle is given by the formula πr², where r is the radius of the circle.

Clearly, πr² = 45

Or, r² = 45*7/22 = 14.31

Or, r = √14.31 = 3.78 cm

Hence, the radius is 3.78 cm.