Lines, Points, Rays, Angles

Which type of angle is pictured?

• Acute

• Right

• Obtuse

• Straight

If m∠1 = 30°, then m∠3 = 

• 30°

• 60°

• 150°

• undetermined

Which are pairs of vertical angles?

• ∠COB & ∠COA

• ∠AOD & ∠AOC

• ∠COB & ∠AOD

• ∠BOD & ∠AOD

This is what kind of angle?

• right

• acute

• obtuse

• straight

A ​ (a)   is part of a line that has one endpoint and continues without end in one direction.

• ray

• line

• point

Tags

4.6.A

Which term describes the figure?

• Angle

• Ray

• Line segment

• Line

A ray is part of a ​ (a)   that has one ​ (b)   and continues on ​ (c)   in one direction.

• line

• endpoint

• forever

A line that extends indefinitely in one dorection- ​ (a)  

• Ray

• Line

• Plane

• Angle

What kind of angles are shown?

• complementary

• supplementary

• adjacent

• corresponding

Vertical angles are always

• acute

• total 180 degrees

• congruent (equal measures)

• adjacent angles