An exterior angle of a triangle is130 and one of the interior opposite angles is 45°
Find the other two angles of triangles.
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Answer:
An exterior angle of a triangle is equal to the sum of the opposite interior angles.
Ext. Angle = 130
Interior opp. Angle1 = 45
Hence the other one is 130–45 = 85
We know the measure of two angles, we need the third one.
Measure of the third angle = 180 - (45+85) = 50
Answer: The other two angles are 50 & 85
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