Consider a parallelogram, ABCD. AE is perpendicular to DC and CF is perpendicular to AD. If AB = 16cm, AE = 8cm, and CF = 10cm, find AD.


Parallelogram ABCD

pAE = 8cm

AB = 16cm

CF = 10cm

In a parallelogram, we know that opposite sides are equal.

Therefore, CD = AB = 16cm

To find the value of AD, the base is multiplied with height.

Area of parallelogram = b x h

16 x 8 = AD x 10

128 = 10AD

AD = 12.8cm

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