3 years ago

Which of these angles are supplementary?

2 answers:

8 0

Answer:

Step-by-step explanation:

Supplementary angles add to 180 degrees. Add each of the angles to see if they add to 180.

A. 100 + 90 = 190 NO

B. 78 + 102 = 180 YES

C. 54 + 146 = 200 NO

D. 12 + 78 = 90 NO

3 0

Answer: B. 78 degrees and 102 degrees

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