Question

ANSWER OF (1)72cm2 (2)9cm
BUT I DONT KNOW THE SOLUTION

Answer 1

1) area of parallelogram= base*height
base*height= 12*6
area = 72cm

2) area of parallelogram= base*height
72. = 8*?
72/8= height corresponding to AD
answer = 9cm

hope it will help you
thnks

Answer 2

Area of //gm
=base × height=12×6=72cm^2.

Again,ar(//ABCD)=AD×height=72cm^2

=>Height=72/8=9 cm

Hope it helps