Question

find a and b. it's a parallegram.​

Answer 1

Answer:

b=5 and a=5.5

Step-by-step explanation:

The diagonals of a parallelogram bisect each other

so

2a=3b-4  ------------- i equatiom

3b+6 = 5b-4 ---------ii equation

Solve ii equation

5b-3b=6+4

2b=10

b=5

Solve i equation

  put the value of b

2a = 3(5)-4

2a=15-4

2a=11

a=5.5