Triangle Angle Sum Theorem

Front

What does the Triangle Angle Sum Theorem state?

Back

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

Front

If one angle of a triangle measures 81° and another measures 37°, what is the measure of the third angle?

Back

62°

Front

What is the measure of the third angle in a triangle if the first angle is 34° and the second angle is 101°?

Back

45°

Front

Solve for x: If the angles of a triangle are x, 37°, and 81°, what is x?

Back

x = 62°

Front

What is the sum of the angles in any triangle?

Back

180°

Front

If a triangle has angles measuring 25°, 55°, and x°, what is the value of x?

Back

x = 100°

Front

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

Back

It is a right triangle.

Front

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

Back

Each angle measures 60°.

Front

If two angles of a triangle are equal and each measures 45°, what is the measure of the third angle?

Back

90°

Front

What is the relationship between the angles in a triangle?

Back

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