Angles in a Triangle Equations

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

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

Back

60 degrees

Front

If two angles of a triangle are 45 degrees each, what is the measure of the third angle?

Back

90 degrees

Front

What is the relationship between the angles in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.

Front

If x + y + z = 180 degrees, what do x, y, and z represent?

Back

The measures of the angles in a triangle.

Front

What is an isosceles triangle?

Back

A triangle with at least two equal sides and two equal angles.

Front

If the angles of a triangle are in the ratio 2:3:5, what is the measure of the largest angle?

Back

The largest angle is 100 degrees.

Front

What is the formula to find the measure of an exterior angle of a triangle?

Back

The exterior angle is equal to the sum of the two opposite interior angles.

Front

If one angle of a triangle is 30 degrees and another is 60 degrees, what is the third angle?

Back

90 degrees