Angles in Maths

What is the sum of the interior angles of a triangle?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

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

• 45 degrees

• 60 degrees

• 90 degrees

• 120 degrees

If one angle of a right triangle is 30 degrees, what is the measure of the other non-right angle?

• 30 degrees

• 45 degrees

• 60 degrees

• 90 degrees

What is the measure of an exterior angle of a regular pentagon?

• 54 degrees

• 72 degrees

• 108 degrees

• 120 degrees

What is the measure of each interior angle in a regular hexagon?

• 90 degrees

• 108 degrees

• 120 degrees

• 135 degrees

What is the measure of an angle that is supplementary to a 110-degree angle?

• 70 degrees

• 80 degrees

• 90 degrees

• 100 degrees

What is the measure of an angle that is complementary to a 45-degree angle?

• 30 degrees

• 45 degrees

• 60 degrees

• 90 degrees

What is the measure of each exterior angle in a regular octagon?

• 30 degrees

• 45 degrees

• 60 degrees

• 72 degrees

If two angles are supplementary and one angle measures 80 degrees, what is the measure of the other angle?

• 80 degrees

• 90 degrees

• 100 degrees

• 110 degrees

What is the measure of an angle that is vertically opposite to a 120-degree angle?

• 60 degrees

• 90 degrees

• 120 degrees

• 150 degrees