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# 7.9: Study Guide

Difficulty Level: At Grade Created by: CK-12

Keywords: Define, write theorems, and/or draw a diagram for each word below.

1st\begin{align*}1^{st}\end{align*} Section: Ratios & Proportions

Ratio

Proportion

Means

Extremes

Cross-Multiplication Theorem

Corollary

Corollary 7-1

Corollary 7-2

Corollary 7-3

Corollary 7-4

Corollary 7-5

Homework:

2nd\begin{align*}2^{nd}\end{align*} Section: Similar Polygons

Similar Polygons

Scale Factor

Theorem 7-2

Homework:

3rd\begin{align*}3^{rd}\end{align*} Section: Similarity by AA

AA Similarity Postulate

Indirect Measurement

Homework:

4th\begin{align*}4^{th}\end{align*} Section: Similarity by SSS and SAS

SSS Similarity Theorem

SAS Similarity Theorem

Homework:

5th\begin{align*}5^{th}\end{align*} Section: Proportionality Relationships

Triangle Proportionality Theorem

Triangle Proportionality Theorem Converse

Theorem 7-7

Theorem 7-8

Homework:

6th\begin{align*}6^{th}\end{align*} Section: Dilations

Dilation

Homework:

Extension: Self-Similarity

Self-Similar

Fractal

Homework:

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Subjects:
8 , 9 , 10
Date Created:
Feb 22, 2012