Question

5. Find the area of the adjoining figure if
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Answer 1

Answer:

let ab=x

area = 1/2 × base×height

1/2. x. 4

1/2×4x =2x

now , height = 1/2.x.4 =2x--eqn1

1/2x4=2

4=1 x=4 cm

area is 8 cm2--- eqn putting