Missing Triangle Measures

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 do you call a triangle with all sides of different lengths?

Back

Scalene triangle.

Front

What do you call a triangle with at least two equal sides?

Back

Isosceles triangle.

Front

What is the value of the missing angle if two angles in a triangle are 45 degrees and 90 degrees?

Back

45 degrees.

Front

If two angles in a triangle are 35 degrees and 75 degrees, what is the measure of the third angle?

Back

70 degrees.

Front

What is the measure of angle x if the other two angles are 55 degrees and 70 degrees?

Back

55 degrees.

Front

What is the relationship between the angles in a triangle?

Back

The sum of the angles is always 180 degrees.

Front

What is the measure of angle x if the other two angles are 80 degrees and 30 degrees?

Back

70 degrees.

Front

What is the measure of angle x if the other two angles are 60 degrees and 50 degrees?

Back

70 degrees.