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Scale Factors and Similar Figures Homework Guide

Welcome! Get prepared for tonight’s homework from S&S ACE Unit 2 focusing on scale factors and similar figures. Complete questions 32 and 38-42, and remember to read a book as well. For warm-up, tackle exercises on page 76 numbers 1-9. Your assignment includes ACE problems 26-31, and make sure to have your calculator and graph paper ready for the lab sheet. Review the key concepts regarding the perimeter and area changes with scale factors. Let's master these problems together!

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Scale Factors and Similar Figures Homework Guide

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  1. WELCOME!!! Get out your homework from 3.2 Write down your homework for tonight S&S ACE Unit 2 Questions: 32, 38-42 Get out a book and READ!!!  Warm-up Pg 76 #’s 1-9

  2. HOMEWORK: ACE 26-31

  3. WARM UP 1) Y = 6 2) d=12 3) x = -11 4) b= -7 5) t=-17 6) g=-4 7) a=12 8) t=-5

  4. #. Date Brief Description 1. 10-3 S&S Problem 2.1 day 1/ ACE (1 a-e) 10-4 S&S Problem 2.1 day 2/ ACE (14-15) 10-5 S&S Problem 2.2 ACE 3, 16, 17 10-6 S&S Problem 2.3 ACE 5,6 10-11 S&S Problem 3.1 ACE 22-25 10-12 S&S Problem 3.2 ACE 26-31 10-13 S&S Problem 3.3 ACE 32 BIG IDEA: Scale Factors You need: Calculator Graph Paper Page 42

  5. Think about it????? Lab Sheet 3.3 B In each set, decide which polygons are similar. Explain your reasoning! *Rulers *Angle Rulers What did Ms. Peterson say about Similar Figures? Rectangles: A and C Parallelograms: B and C Decagons: A and B Stars: A and C

  6. Lets see what you learned… What is the Perimeter of the rectangle? 21 units 2) What is the area of the rectangle? 22.5 units squared 3) What are the new dimensions of the rectangle if you enlarge it by a scale factor of 3? 9 by 22.5 4) What is its new perimeter? 63 units 5) What is its new area? 202.5 units squared 6) How did the perimeter change? It became 3 times larger. 7) How did the area change? It became 9 times larger.

  7. Make Sure Your Notebook Assignment Sheet Looks Like This! #. Date Brief Description 1. 10-3 S&S Problem 2.1 day 1/ ACE (1 a-e) 10-4 S&S Problem 2.1 day 2/ ACE (14-15) 10-5 S&S Problem 2.2 ACE 3, 16, 17 10-6 S&S Problem 2.3 ACE 5,6 10-11 S&S Problem 3.1 ACE 22-25 10-12 S&S Problem 3.2 ACE 26-31 10-13 S&S Problem 3.3 ACE 32

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