Question

if a radius of the small circle is r then what is the area of the small circle and big circle?​

Answer 1

Step-by-step explanation:

radius of small circle r

radius of bigger circle R

Answer 2

Answer:

The area of circle of radius r unit is A=πr2 . substitute r=4 in the formula , therefore ,the area of the inscribe circle is about 50.24 square unit