Answer:
B 1/2
Step-by-step explanation:
This is right
its A
Step-by-step explanation:
They are called vertical angles because the definition of vertical is: <span>in a direction, or having an alignment, such that the top is directly above the bottom. The "angles opposite each other when two lines cross" match the definition.</span>
No as complementary angles add up to whisk 180 degrees, however supplementary angle would be true for this question
