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A straight angle that measures 180 degrees is called

a. Vertical
b. Adjacent
c. Nonadjacent
d. Supplementary
or
e. Complementary

2 Answers

5 votes
supplementary is the answer
User Stevemo
by
4.2k points
3 votes

Answer:

D. Supplementary. By definition a supplementary angle is a straight angle measuring 180 degrees

Explanation:

User Anton Selin
by
2.9k points