Question

find the shaded area correct to 1 DP use 3.14 for Pi​

Answer 1

Answer:

if pi=3.14 then the area of the shaded figure is 113.04 cm^2

Answer 2

Answer:

diameter of bigger circle = 10 cm

radius = 10 / 2 = 5

diameter of smaller circle = 8cm

radius = 8/ 2 = 4

area of shaded region = area of bigger circle - area of smaller circle

area of circle = πr^2

= 3.14 × 5^2 - 3.14 × 4^2

= 78.5 - 50.24

= 28.26

area of shaded region = 28.26cm ^2

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