Question

in a parallelogram ABCD if ad is equal to 10 cm cm equal to 8 cm BC is equal to 12 cm find AB ​

Answer 1

Answer:

Draw line AC

Now ADC is 90

Therefore by Pythagoras therom

AC 2 =AD2 + DC2

=100 + 64

AC2 =164

Ac= root 164

Ac=2 root 41

Now similar find ab by Pythagoras therom