Week 10 Vocabulary

What are two angles that add up to 180 degrees called?

• complementary angles

• supplementary angles

• vertical angles

• right angles

What are two angles that add up to 90 degrees called?

• supplementary angles

• complementary angles

• vertical angles

• obtuse angles

What is each of the pairs of opposite angles made by two intersecting lines called?

• supplementary angles

• complementary angles

• vertical angles

• right angles

What are two angles having the same vertex and having a common sidebetween them called?

• supplementary angles

• complementary angles

• vertical angles

• adjacent angles

What is an angle that measures 90 degrees called?

• right

• obtuse

• acute

• vertical

What is an angle that measures less than 90 degrees called?

• straight

• right

• obtuse

• acute

What is an angle that measures more than 90 degrees called?

• acute

• obtuse

• right

• vertical

What is a triangle that has three unequal side lengths called?

• equilateral

• scalene

• right

• acute

What types of lines are formed when two or more lines cross each other?

• parallel

• intersecting

• perpendicular

• straight

What type of triangle has all equal side lengths?

• obtuse

• right

• scalene

• equilateral