Over Lesson 2–7

A. Transitive Property

B. Symmetric Property

C. Reflexive Property

D. Segment Addition Postulate

Justify the statement with a property of equality or a property of congruence.

Over Lesson 2–7

Justify the statement with a property of equality or a property of congruence.

A. Transitive Property

B. Symmetric Property

C. Reflexive Property

D. Segment Addition Postulate

Over Lesson 2–7

Justify the statement with a property of equality or a property of congruence.If H is between G and I, then GH + HI = GI.

A. Transitive Property

B. Symmetric Property

C. Reflexive Property

D. Segment Addition Postulate

Over Lesson 2–7

A. WX > WZ

B. XW + WZ = XZ

C. XW + XZ = WZ

D. WZ – XZ = XW

State a conclusion that can be drawn from the statement given using the property indicated.W is between X and Z; Segment Addition Postulate.

Over Lesson 2–7

A.

B.

C.

D.

State a conclusion that can be drawn from the statements given using the property indicated.

LM NO___ ___

Over Lesson 2–7

A. AB + BC = AC

B. AB + AC = BC

C. AB = 2AC

D. BC = 2AB

Given B is the midpoint of AC, which of the following is true?

___

Use the Angle Addition Postulate

CONSTRUCTION Using a protractor, a construction worker measures that the angle a beam makes with a ceiling is 42°. What is the measure of the angle the beam makes with the wall?

A. 32

B. 94

C. 104

D. 116

Find m1 if m2 = 58 and mJKL = 162.

Use Supplement or Complement

TIME At 4 o’clock, the angle between the hour and minute hands of a clock is 120º. When the second hand bisects the angle between the hour and minute hands, what are the measures of the angles between the minute and second hands and between the second and hour hands?

A. 20

B. 30

C. 40

D. 50

QUILTING The diagram shows one square for a particular quilt pattern. If mBAC = mDAE = 20, and BAE is a right angle, find mCAD.

Proofs Using Congruent Comp. or Suppl. Theorems

Given:

Prove:

In the figure, NYR and RYA form a linear pair,AXY and AXZ form a linear pair, and RYA andAXZ are congruent. Prove that NYR and AXY are congruent.

Use Vertical Angles

If 1 and 2 are vertical angles and m1 = d – 32 and m2 = 175 – 2d, find m1 and m2. Justify each step.

Statements ReasonsProof:

A.

B.

C.

D.

• Assignment:

• 156/ 1-17, 28. 29. 36-53