Question

In a quadrilateral ABCD as shown in the figure, AB || CD
and AD I AB. If AB = 18 m, DC = BC = 13 m, find the area
of the quadrilateral.
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Answer 1

Answer:

156+ 30 = 186 cm^2

Step-by-step explanation:

First find the area of the rectangle and then find the area of the triangle .

Answer 2

Answer:

let assume be =18-13=5

bc=13 (given)

to put phythagorus theorem. h^2=b^2+p^2

13^2=5^2 +p^2

169-25=144

p^2= 144

p=12

area of right triangle p×b =12×5=60

area of triangle =60

Step-by-step explanation:

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