You have two crossed lines. They form a total of 4 angles. The x and 78 are straight across from each other. When that happens, the two angles are labeled as vertically opposite angles.
Vertically opposite angles are always equal
x = 78 <<<<<<<< answer
You take alll the answers and just divide each one
Answer:12063.72
Step-by-step explanation:
Answer:
a - 30.2
b - 271.8
Step-by-step explanation:
60/4=15
60/3=20
9+6.45+2.4+8.15+4.2=30.2
30.2x9=271.8