Question

find shaded region in the figure​

Answer 1

area of trapezium = 1\2 * (ab + cd ) * h

                              = 1\2* (18 + 32 ) * 14

                              = 1\2 * 50 * 14

                              = 50 * 7

                              = 350 cm^2

area of circle = pi*r*r              ( since all 4 together form a circle)

                     = 22\7*7*7

                     = 22*7

                     = 154 cm^2

area of  shaded region = 350-154=196 cm^2

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