Angles and Triangles

What type of angle measures exactly 90 degrees?

• Acute angle

• Right angle

• Obtuse angle

• Straight angle

A triangle with all three angles measuring less than 90 degrees is called a:

• Scalene triangle

• Equilateral triangle

• Acute triangle

• Obtuse triangle

In a pair of parallel lines cut by a transversal, corresponding angles are:

• Supplementary

• Complementary

• Congruent

• Adjacent

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

• Acute angle

• Right angle

• Obtuse angle

• Straight angle

A triangle that has one angle measuring exactly 90 degrees is called a:

• Right triangle

• Scalene triangle

• Isosceles triangle

• Equilateral triangle

Which of the following triangles has three equal sides?

• Scalene triangle

• Isosceles triangle

• Equilateral triangle

• Right triangle

An angle that measures exactly 180 degrees is called a:

• Right angle

• Straight angle

• Obtuse angle

• Acute angle

A triangle with one angle measuring more than 90 degrees is called a:

• Acute triangle

• Right triangle

• Obtuse triangle

• Equilateral triangle

In a pair of parallel lines cut by a transversal, alternate interior angles are:

• Supplementary

• Complementary

• Congruent

• Adjacent

What type of angle measures less than 90 degrees?

• Acute angle

• Right angle

• Obtuse angle

• Straight angle