Answer:
x = 18
Step-by-step explanation:
Vertically opposite angles are equal.
x + x + x + 90 = 144
3x + 90 = 144
Subtract 90 from both sides
3x = 144 - 90
3x = 54
Divide both sides by 3
x = 54/3
x = 18
Answer:
D
Step-by-step explanation:
Answer:
therefore the value of V=-6
Answer:
B option is right
Step-by-step explanation:
These 3 will form a 3d system.