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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