Question

what is supplementary angle of 90°?​

Answer 1

Hey friend here is your answer . . . . .

The supplementary angle of 90° is 90° as on add both we get 180°. Any two angles when add are supplementary angles if their sum is 180°.

Hope it helps you !!!

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Answer 2

Answer: 90°

Step-by-step explanation: Let the supplementary angle of 90° be x.

Therefore, 90+x=180

x=180-90

x=90