Question

A forest reservoir is in the shape of a quadrilateral whose sides taken in order are 9m, 40m, 15m and 28m. if the angle between first two sides is a right angle, find the area of the forest

Answer 1

Answer:

In a Δ ABC,

             

             

             

              AC = 41m

Now area of Quadrilateral ABCD is,

Area of Δ ABC and Δ ADC,

TO FIND 'S'

            S = AD + DC + AC

                             2

   Therefore  ,  S = 42m

180 +

180 + 126

Therefore area of Quadrilateral ABCD = 306

I hope it helps you.

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