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34 votes
Please help me. A) vertical angle. B) complementary angle. C) supplementary angle. D) none of the above

Please help me. A) vertical angle. B) complementary angle. C) supplementary angle-example-1
User Tardis
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1 Answer

10 votes
10 votes

(C)

Explanation:

The sum of angles a and b is 180°, which make the two supplementary angles.

User Nils Cao
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