Question

The given figure below shows two circles with the same center. The radius
of the larger circle is 10cm and the radius of the smaller circle is 5cm.
(Use π= 3.14)
Find:
a) The area of the larger circle
b) The area of the smaller circle
c) The shaded area between two circles
Please someone answer....pls

Answer 1

Answer:

Let the radius of larger circle be R

Let the radius of smaller circle be r

So,

a) Area of larger circle = π R square

3.14 × (10) square

3.14 × 100 = 314 CM square

b) Area of the smaller circle = π r square

3.14 × (5) square

3.14 × 25 = 78.5 CM square

c) The shaded area between the two circles

= Area of larger circle - Area of smaller circle

314 - 78.5 = 235.5 CM square.