Classifying Triangles & Finding missing angles

Front

What is the sum of the angles in a triangle?

Back

180 degrees

Front

If one angle in a triangle is 90 degrees, what type of triangle is it?

Back

Right triangle

Front

What type of triangle has all sides of equal length?

Back

Equilateral triangle

Front

What type of triangle has one angle greater than 90 degrees?

Back

Obtuse triangle

Front

What type of triangle has all angles less than 90 degrees?

Back

Acute triangle

Front

If two angles in a triangle are 50 degrees and 60 degrees, what is the third angle?

Back

70 degrees

Front

In an isosceles triangle, how many sides are equal?

Back

Two sides are equal.

Front

What is the measure of each angle in an equilateral triangle?

Back

60 degrees

Front

If a triangle has angles measuring 30 degrees and 60 degrees, what is the measure of the third angle?

Back

90 degrees

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.