Answer: x is 90
Step-by-step explanation:
because x-20 is equal to 70
Answer:
144
Step-by-step explanation:
Answer:
A.
Step-by-step explanation:
Answer:
They are supplementary.
Step-by-step explanation:
A linear pair consists of two opposite angles whose non-common sides create a straight line. If a linear pair consists of two angles, then they are supplementary
Answer:
15%
Step-by-step explanation:
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