Q. 34.5( 19 Votes )

Some measures are given in the adjacent figure, find the area of􀁵 ABCD.



Answer :

In the given fig. ABD is right angled triangle at A,

Given that AB = 40cm, and AD = 9cm



Therefore, the area of triangle ABD






= 180 sqm


Now, the area of triangle, ∆BCD






Now area of quadrilateral ABCD,


= 180 + 390


= 570 sq m


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