Triangle Sum Theorem

Front

What does the Triangle Sum Theorem state?

Back

The Triangle Sum Theorem states that the sum of all angles in a triangle is 180°.

Front

What is the measure of the missing angle if two angles are 90° and 40°?

Back

The missing angle is 50°.

Front

If one angle of a triangle is 34° and another is 101°, what is the third angle?

Back

The third angle is 45°.

Front

What do you call an angle that measures exactly 90 degrees?

Back

Right angle.

Front

What is the sum of the angles in any triangle?

Back

180°.

Front

If a triangle has angles measuring 62° and 53°, what is the measure of the third angle?

Back

The third angle is 65°.

Front

What type of angle measures less than 90 degrees?

Back

Acute angle.

Front

What type of angle measures more than 90 degrees but less than 180 degrees?

Back

Obtuse angle.

Front

If one angle of a triangle is 70° and another is 40°, what is the measure of the third angle?

Back

The third angle is 70°.

Front

In a triangle, if one angle is 90°, what type of triangle is it?

Back

It is a right triangle.