Answer:A
Step-by-step explanation:The angles shown in choice A form a line and therefore have a sum of 180
Answer:
A. A
Step-by-step explanation:
I took the test on USA TestPrep, 8th grade
Supplematary angles are angles that add up to 180° degrees
Look below for image: ↓↓↓
Hope I helped!!!
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GL deary <3
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