Chapter 8 Reveal Geometry

What is the "statement" for step 3 of the proof?

• AD=DA

• AN = AH

• HD=ND

• HD=DN

Identify the missing statement or reason

• Reflexive Property

• Definition of Midpoint

• Given

• Vertical Angles Theorem

Identify the missing statement or reason

• Given

• Vertical Angles Theorem

• Definition of Angle Bisector

• Alternate Interior Angles Theorem

Identify the missing statement or reason

• Definition of Angle Bisector

• Alternate Interior Angles Theorem

• Reflexive Property

• Definition of Midpoint

What is the missing piece of information required to prove these triangles congruent?

• QY ≅ QY

• NY ≅ PY

• ∠N ≅ ∠P

• QY is the perpendicular bisector

Match the vocabulary term with its definition:

Ray

• a figure formed by two rays with a common endpoint

• the point that divides a segment into two congruent segments

• a part of a line that extends forever in one direction

• a two-dimensional figure

Select all the possible names for this plane.

• plane CDAB

• plane CDB

• plane ADC

• plane TCB

If angle MEO = 90, angle GEM = 4x-8 and angle GEO = 148, what is x?

• x = 24

• x = 16

• x = 15

• x = 19

If angle AOD is 124 - 2x and angle DOB= 9x, what is the measure of angle DOB?

• 72

• 8

• 108

• 63

Match the vocabulary word with its definition:

• two angles whose measures have a sum of 90 degrees

• a pair of adjacent angles whose noncommon sides are opposite rays

• two angles whose measures have a sum of 360 degrees

• angles that have the same measure