Triangles

1. Classify $\triangle L M N$.

Choose 2 answers:

(A) Isosceles triangle

(B) Scalene triangle

(C) Right triangle

(D) Equilateral triangle

(E) Acute triangle

(F) Obtuse triangle

2. Lauren drew a triangle. Its sides were $7 mm , 9 mm$, and $7 mm$.

It has three acute angles.

Complete the sentence to describe the triangle Lauren drew.

Lauren's triangle is ________ (an acute triangle\an obtuse triangle\a right triangle ) and ________ (an equilateral triangle\an isosceles triangle\a scalene triangle ).

3. Complete the sentence to describe the triangle shown.

$\triangle G H I$ is ________ (an acute triangle\an obtuse triangle\a right triangle ) and ________ (an equilateral triangle\an isosceles triangle\a scalene triangle ).

4. Complete the sentence to describe the triangle shown.

$\triangle NOP$ is ________ (an acute triangle\an obtuse triangle\a right triangle ) and ________ (an equilateral triangle\an isosceles triangle\a scalene triangle ).