Classwork 1

What does the word BISECT mean?

• To cut something into more than five pieces.
• It is a plane with two sets of wings.
• A shape that has three sides. 
• To cut something into two congruent pieces or in half.

If Q is between P and R, then PQ +QR=PR

• Segment Addition postulate
• Definition of Midpoint
• Addition Property of equality
• Transitive Property

If AB=CD then AB+EF = CD + EF

• Division property of equality
• Addition Property of equalilty
• Transitive property of equality
• Substitution

The angle relationship shown is - 

• complementary angles
• supplementary angles
• vertical angles
• adjacent angles

∠1 and ∠3 can best be described as -

• complementary angles
• supplementary angles
• vertical angles
• adjacent angles

What type of angle is shown?

• acute
• obtuse
• right
• straight

What type of angle is shown?

• acute
• obtuse
• right
• straight

What type of angle is shown?

• acute
• obtuse
• right 
• straight

Which are pairs of adjacent angles?

• ∠COB & ∠DOA
• ∠AOD & ∠AOC
• ∠COB & ∠AOD
• ∠BOD & ∠AOC

Which are pairs of vertical angles?

• ∠COB & ∠COA
• ∠AOD & ∠AOC
• ∠COB & ∠AOD
• ∠BOD & ∠AOD