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1 August, 00:49

Assessment items Item 1 Angle A and angle B are supplementary angles. What must be true about the angles?

A The sum of the angles is 180°.

B The sum of the angles is 90°.

C The angles share a common side and vertex.

D The angles were formed by two intersecting lines and are on opposite sides.

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Answers (1)
  1. 1 August, 01:19
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    Supplementary angles are two angles that when added together equal 180 degrees.

    A The sum of the angles is 180°.
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