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8 February, 18:09

Two angles are supplementary and one of them is 31°

What is the size of the other angle?

Select one:

A.

149°

B.

121°

C.

59°

D.

31°

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Answers (1)
  1. 8 February, 18:30
    0
    It is A = 149 because it adds to 180. 180-31=149
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