19 20 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 3.

Slides:



Advertisements
Similar presentations
Concept: Use Similar Polygons
Advertisements

GEOMETRY: Chapter 8 8.3: Similar Polygons.
Session 5 Journal Write about how you are preparing for the test over Chapter 9. If the test was today, how do you believe that you would do? On which.
Lesson 8.10 Similar Polygons.
Proportions  A proportion is an equation with a ratio on each side. It is a statement that two ratios are equal.  3 = 6 is an example of a proportion.
Lesson 6-2 Similar Polygons.
2.1 Day 3: Multiplying more than two integers
Tests for Parallelograms Advanced Geometry Polygons Lesson 3.
Lesson: 9 – 3 Similar Triangles
Holt CA Course Similar Figures and Proportions Preparation for NS1.3 Use proportions to solve problems (e.g., determine the value of N if =, find.
1 ratios 9C5 - 9C6 tell how one number is related to another. may be written as A:B, or A/B, or A to B. compare quantities of the same units of measurement.
Adv. Math Chapter 22 Review. Use the picture to write the ratios. Tell whether the ratio compares part to part, part to whole, or whole to part. All.
7-4 Similarity in Right Triangles
CN #4 Ratios in Similar Polygons
Review Applied Math II
Similar Triangles Today’s objectives l Understand how the definition of similar polygons applies to triangles. l Recognize similar triangles. l Use the.
Chapter ratios in similar polygons. Objectives Identify similar polygons. Apply properties of similar polygons to solve problems.
When two pairs of numbers such as (3, 2 and 6, 4) have the same ratio, we say that they are proportional. The equation states that the pairs 3, 2 and 6,
Using Proportions Lesson 4-1. Ratio: The comparison of two numbers (written in Algebra as a fraction) Proportion: When two ratios are equal to each other.
Geometry 6.3 Big Idea: Use Similar Polygons
Chapter 7 Quiz Review Lessons
Congruent Polygons Sec 6.5 GOALS: To identify congruent polygons.
Bell Work Write a congruence statement. ∆MNL ≅ ∆SRT.
8.3 Similar Polygons. Similar Polygons Definition : Similar polygons have congruent angles and sides in the same ratio (called Scale factor). Write the.
Example 1 Use Similarity Statements  PRQ ~  STU. List all pairs of congruent angles.a. Write the ratios of the corresponding sides in a statement of.
S IMILAR P OLYGONS. Warm Up 1. If ∆ QRS  ∆ ZYX, identify the pairs of congruent angles and the pairs of congruent sides. Solve each proportion
Secondary Math II
7-2 Similar Polygons Objectives Students will be able to:
Warm-Up If ∆QRS  ∆ZYX, identify all 3 pairs of congruent angles and all 3 pairs of congruent sides.
Proportions & Similarity Advanced Geometry Similarity Lesson 2.
6.3.1 Use similar Polygons Chapter 6: Similarity.
1) STATION #1 – Solve each proportion. Find all solutions. 2) 3) 4) 5)
Similar Polygons NOTES 8.1 Goals 1)Use Similarity Statements 2)Find corresponding lengths in similar polygons 3)Find perimeters & areas of similar polygons.
6.2 Similar Polygons What you’ll learn: To identify similar figures.
7.2 Similar Polygons SOL: 14a Objectives: Identify similar figures. Solve problems involving scale factors.
Session 5 Journal Write about how you are preparing for the test over Chapter 9. If the test was today, how do you believe that you would do? On which.
Holt CA Course Similar Figures and Proportions Preparation for NS1.3 Use proportions to solve problems (e.g., determine the value of N if =, find.
Holt McDougal Geometry 7-1 Ratios in Similar Polygons Warm Up 1. If ∆ QRS  ∆ ZYX, identify the pairs of congruent angles and the pairs of congruent sides.
Ratios and Proportions Percent Change. Proportion – Statement showing two ratios as equal.
7.1 Proportions Solving proportions
Similarity in Triangles
Ratios in Similar Polygons
Date: Topic: Similar Polygons (7.4)
Similar Polygons.
Similar Triangles Geometry Ms. Hough 7-3.
عناصر المثلثات المتشابهة Parts of Similar Triangles
Understanding Proportions
Use Similar Polygons & AA Postulate
SIMILAR POLYGONS Two figures are similar if
Objectives Use geometric mean to find segment lengths in right triangles. Apply similarity relationships in right triangles to solve problems.
Ratios in Similar Polygons
Bell work:.
6-1: Use Similar Polygons
Secondary Math 2 8.3/8.4 – Similarity
Corresponding Parts of Similar Triangles
5-Minute Check on Chapter 2
4/12/2019 Good News 6.6 Homework Questions Go over the Quiz Open note paired Quiz Jeopardy!
Bellwork: Solve the proportion. x = 18.
6-3/6-4: Proving Triangles Similar
Ratios in Similar Polygons
7.2 Similar Polygons Two polygons are similar (~) if and only if their
LEARNING GOALS – LESSON 7:2
Proportion Guided Notes
Objectives Identify similar polygons.
Which triangles are similar?
**Homework: Review worksheet**
Name ___________________________________________
Similar Triangles Make a model of each triangle using Centimeters (cm)
Identifying and Writing Proportions 4-2
7.2 : Similar Polygons Similar polygons have:
Presentation transcript:

Problem 1 Solve the proportion.

Find x. Problem 2 X 28 15

Find y. Problem 3 y 12 y

Find x. Problem 4 x 8 20 x + 9

Determine whether Problem 5 D E C B A

A, B, and C are midpoints. Problem 6 X Z C BA Y

A, B, and C are midpoints. Problem 7 X Z C BA Y

A, B, and C are midpoints. Problem 8 X Z C BA Y

U, V, and W are midpoints. Problem 9 TVR UW S

What is the value of x? Problem 10 x

Problem 11 S W V T R U

Problem 12 S W V T R U

Find ST. Problem 13 S W V T R U

Write the ratio in simplest form. 25 centimeters to 2 meters. Problem 14

Find x. Problem 15 X

Determine whether the pair of polygons are similar. Justify your answer. Problem

If x:13 = 36:156, find x. Problem 17

Are these two triangles similar? (tell which test you used) Write a similarity statement. Problem 18 E R D T A M

Are these 2 triangles similar? If so, write a similarity statement. Problem

Who is your favorite math teacher? Problem 20 Mr. Robinson

Homework p Odd