Supplementary angles A always add up to 180 degrees. B always add up to 90 degrees. C are across from each other. D are congruent.

asked Apr 22, 2022 207k views

15 votes

Supplementary angles

A
always add up to 180 degrees.

B
always add up to 90 degrees.

C
are across from each other.

D
are congruent.

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10 votes

Answer:

Explanation:

supplementary angles touch and there bases together are a strait line.

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