Question

Solve for m∠B and m∠C in the parallelogram.

Answer 1

10x-19=7x+23(the opposite angle of parallelogram are equal)

10x-7x=23+19

3x=42

x=42/3

×=14

Now (putting the value)

10x-19

10×14-19

121°

7x+23

121°

hence the angle b and d = 121°