From personal advice to professional guidance, IDNLearn.com has the answers you seek. Get step-by-step guidance for all your technical questions from our dedicated community members.
Answer:
Angle 8
Step-by-step explanation:
Angles 7 and 8 are supplementary because they are both on a straight line.
A straight line is 180*, and the line that forms the angles 7 and 8 splits 180* into those degrees in the angles, so both of those angles add to 180* which makes them supplementary.