ANSWERS ARE NOT IN ORDER
5.
So, a is equal to 4x-16 which is equal to 2x+4
4x-16=2x+4
-2x -2x
2x-16=4
+16 +16
2x=20
x=10
2(10+4)
2(14)
a≈28
4.
a is equal to the angle next to h, and they’re supplementary angles so they add up to 180
28+h=180
-28. -28
h=152
6. angles a and d are supplementary angles
7. vertical angles !