Use the Triangle Angle Sum Theorem to find the measure of the third angle if the first and second angle measure 63°
and 40°
.(1 point)
°

Question

Use the Triangle Angle Sum Theorem to find the measure of the third angle if the first and second angle measure  63°
  and  40°
 .(1 point)
°

GPT-5 mini · Answer

The sum of angles in a triangle is 180°. The third angle = 180° − (63° + 40°) = 180° − 103° = 77°.

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