Triangle Angles

What is the sum of the angles in a triangle?

• 120 degrees

• 270 degrees

• 90 degrees

• 180 degrees

If one angle in a triangle is 45 degrees and another angle is 60 degrees, what is the measure of the third angle?

• The measure of the third angle is 120 degrees.

• The measure of the third angle is 90 degrees.

• The measure of the third angle is 30 degrees.

• The measure of the third angle is 75 degrees.

In a right triangle, what is the measure of the right angle?

• 180 degrees

• 45 degrees

• 60 degrees

• 90 degrees

If two angles in a triangle are 30 degrees and 60 degrees, what is the measure of the third angle?

• 120 degrees

• 45 degrees

• 75 degrees

• 90 degrees

What is the name of a triangle with all angles less than 90 degrees?

• Equilateral triangle

• Acute triangle

• Obtuse triangle

• Right triangle

If one angle in a triangle is 90 degrees and another angle is 45 degrees, what is the measure of the third angle?

• 60 degrees

• 30 degrees

• 75 degrees

• 45 degrees

In an equilateral triangle, what is the measure of each angle?

• 45 degrees

• 90 degrees

• 60 degrees

• 120 degrees

If one angle in a triangle is 120 degrees and another angle is 30 degrees, what is the measure of the third angle?

• The measure of the third angle is 30 degrees.

• The measure of the third angle is 120 degrees.

• The measure of the third angle is 90 degrees.

• The measure of the third angle is 60 degrees.

What is the name of a triangle with one angle greater than 90 degrees?

• Right triangle

• Obtuse triangle

• Acute triangle

• Straight triangle

If one angle in a triangle is 75 degrees and another angle is 45 degrees, what is the measure of the third angle?

• The measure of the third angle is 120 degrees.

• The measure of the third angle is 90 degrees.

• The measure of the third angle is 30 degrees.

• The measure of the third angle is 60 degrees.