Find the angle of a triangle if 2 other angles are equal = 40 ° and 60 °.

Find the angle of a triangle if 2 other angles are equal = 40 ° and 60 °.
The angles in a triangle add up to 180 °. So we can find the third angle:
180 – 40 – 60 = 80 °
The third angle in the triangle is 80 °.



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