Question

S2. Find the area of the shaded portion in the following figures. (Take π = 3.14.) (a) ​

Answer 1

The given figure is a trapezium

So,

Area of shaded portion = Area of trapezium - (area of rectangle + area of circle)

=> [½ × (sum of parallel sides) × (height)] - [ (length × breadth) + πr²

=> [ ½ × (DC + AB) × AE ] - [ (40×20) + (3.14 × 7²) ]

=> [ ½ × (160 + 120) × 100 ] - (953.86)

=> 14000 - 953.86

= 13046.14

Therefore, area of shaded region is 13,046.14

Hope it may help you

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Answer 2

Answer:

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Step-by-step explanation:

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