Question

find the shaded portion

Answer 1

shaded portion =area of trapeziumABCD-(area of triangle+area of rectangle)
area of trapeziumABCD=1/2(20×140)
=1400
area of triangle+area of rectangle
=1/2(20×20)+10×20
=400
area of shaded portion=1400-400
=1000sq.cm

Answer 2

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