Triangles
Triangles, Example 1:
The sum of the inner angles of a triangle is (180°). So, (120°)(+)(35^°)(=)(155^°)(→)(180^°)(-) (155^°) (=) (25^°). The unknown angle is (25^°)
Exercises for Triangles
Find the measure of the unknown angle in each triangle.
1)
2)
- (color{blue}{70^°})
- (color{blue}{30^°})
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