The Total solution for NCERT class 6-12
We know that,Area of parallelogram = Base x AltitudeGiven, AE = 8 cm CF = 10 cm and AB = 16cm∴ ar (parallelogramABCD) =DC x AE= 16 x 8 cm2 (∵ AE = 8 cm)…(i)and ar (parallelogram ABCD) = AD x CF – AD x 10 ( ∵ CF = 10 cm)From Eq. (i), we have,16 x 8 = AD x 10