Download Unit 6 Vocabulary and Objectives File

Geometry Unit 6 (Chapter 7): Objectives and Vocabulary
Objectives:
1. Objective 1: Know the proper vocabulary for the unit and previous units.
Ratio, Proportion, Means, Extremes, Scale, Similar polygons, Scale factor
2. Objective 2: Express ratios into simplest form
Reduced fractions and same labels
3. Objective 3: Manipulate ratios and proportions to solve problems
Cross multiplication (means extremes)
Properties of proportions
4. Objective 4: Use properties of similar polygons to make conclusions
and solve problems
Scale Factor
Correctly make similarity statements
Corresponding angles congruent
Corresponding sides proportional
5. Objective 5: Show that two triangles must be similar
AA similarity
SAS similarity (enrichment)
SSS similarity (enrichment)
6. Objective 6: Use proportional lengths to solve problems involving
lengths of segments
Triangle proportionality theorem
Parallel lines cut by a transversal
Triangle angle bisector theorem.
Vocabulary: Use the terms in objectives 1 to fill in the middle column of the
vocabulary sheet then draw a picture in the left column to go with the definitions.
Diagram or Example
Vocabulary Term
Definition
Lesson 7-1: Objective 1
The quotient of two
numbers when the first
number is divided by the
second number.
An equation stating that
two ratios are equal.
Lesson 7-2: Objective 1
The first and last terms
of a proportion.
The middle terms of a
proportion.
Lesson 7-3: Objective 1
Two figures that have
congruent angles and
proportional sides.
The ratio of the lengths
of two corresponding
sides of similar polygons.