Question

Find the area of the shaded region in fig
if radü of the two concentric circles with
centre O are 7cm and 14cm respectively
and AOC = 40°​

Answer 1

Explanation:

Area of shaded region=π theta/360°(R^2-r^2)

=22×40°/7×360°(14^2-7^2)

=22/7×9(196-49)

=22×147/7×9

=22×7/3

=154/3cm^2 answer.

hope this will help you.

Answer 2

Answer:

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