Classifying Triangles & Finding missing angles

Front

How many congruent sides do Isosceles triangles have?

Back

2

Front

What type of triangle has 3 different side lengths and angles?

Back

Scalene

Front

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

Back

Obtuse Triangle

Front

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

Back

Acute Triangle

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees

Front

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

Back

Right Triangle

Front

Find the missing angle if two angles are 30 degrees and 60 degrees.

Back

90 degrees

Front

What is an Isosceles triangle?

Back

A triangle with at least two congruent sides.

Front

What is a Scalene triangle?

Back

A triangle with all sides and angles of different lengths and measures.

Front

If a triangle has angles measuring 45 degrees and 45 degrees, what is the measure of the third angle?

Back

90 degrees