EXERCISE 15.2
1.Find the area of the shaded region in the following figures.
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Step-by-step explanation:
The area of whole rectangle = lb
= 20×13
= 260
The area of two white strips(are also rectangles) = 2×13 =26 and 2×20=40
Area of white portion = 26+40-4 (Look at a small square in the middle it is common in both the strips but we can not take it two times so we subracted it once that is 2×2=4 )
= 66-4
= 62m^2
area of shaded region = area of whole rectangle - area of non shaded region
= 260-62
= 198m^2
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