Completion requirements
Watch this lecture series, which discusses how to classify triangles by lengths of their sides and measures of their angles.
Practice
Classify triangles by both sides and angles - Answers
1. \(\triangle L M N\) is an isosceles triangle and an acute triangle.
2. Lauren's triangle is an acute triangle and an isosceles triangle.
3. \(\triangle G H I\) is an acute triangle and an isosceles triangle.
4. \(\triangle N O P\) is an isosceles triangle and an obtuse triangle.