Question

If the sum of two angles is equal to 900

, then the angles are called __________
A) Complementary angles. B) Supplementary angles

C) Vertically opposite angles D) None

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Answer 1

Complementary angles: Two angles whose sum is 900 are called complementary angles.

complementary angle

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Answer 2

Step-by-step explanation:

If the sum of two angles are 90°

Then these angles are called COMPLEMENTARY ANGLES.