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Area of a Triangle - by Heron's Formula

In the given ...

Question

In the given figure, area of the circle is 220 sq. cm and the area of Triangle is 108 sq. cm. Find the area of shaded blue region ?

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Solution

Area of circle = 220 sq. cm
Area of Triangle = 108 sq. cm
Area of shaded region = Area of circle – Area of Triangle
= 220 sq. cm – 108 sq. cm
= 112 sq. cm

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