Triangles

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)

This image has an empty alt attribute; its file name is answers.png
  • \(\color{blue}{70^°}\)
  • \(\color{blue}{30^°}\)

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