Answer :
Answer:
AB = 7, DC = 7, AD = 5, BC = 5
Step-by-step explanation:
If you set AB equal to DC you get:
x+2=12-x
2x=10
x=5
If you set AD equal to BC you get:
2y-5=Y
y=5
Solve for each side of the quadrilateral and you get:
AB = 7, DC = 7, AD = 5, BC = 5