Triangle angle sum theorem

Front

What is the Triangle Angle Sum Theorem?

Back

The Triangle Angle Sum Theorem states that the sum of the interior angles of a triangle is always 180 degrees.

Front

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

Back

It is a right triangle.

Front

What is the measure of the third angle in a triangle if the first two angles are 50 degrees and 60 degrees?

Back

70 degrees.

Front

How do you find the measure of an unknown angle in a triangle?

Back

Subtract the sum of the known angles from 180 degrees.

Front

What is the measure of angle b if angle a is 36 degrees and angle c is 108 degrees?

Back

Angle b is 36 degrees.

Front

In a triangle, if one angle measures 34 degrees and another measures 101 degrees, what is the measure of the third angle?

Back

The third angle measures 45 degrees.

Front

What is the sum of the angles in any triangle?

Back

The sum is always 180 degrees.

Front

If two angles of a triangle are equal, what type of triangle is it?

Back

It is an isosceles triangle.

Front

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

Back

Each angle measures 60 degrees.

Front

If angle A is 25 degrees and angle B is 85 degrees, what is angle C?

Back

Angle C is 70 degrees.