Q. 2

# In Q. No. 1, if AD=6 cm, CF=10 cm and AE=8 cm, find AB.

Area of parallelogram ABCD = AD * CF (i)

Again,

Area of parallelogram ABCD = DC * AE (ii)

From (i) and (ii), we get

AD * CF = DC * AF

6 * 10 = CD * 8

CD =

= 7.5 cm

Therefore,

AB = DC = 7.5 cm (Opposite sides of parallelogram are equal)

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