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## Lesson 6-3 Pages 276-280

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**Lesson 6-3Pages 276-280**Scale Drawings and Models Lesson Check 6-2**What you will learn!**• How to use scale drawing. • How to construct scale drawings.**What you really need to know!**A scale gives the relationship between the measurements on the drawing or model and the measurements of the real object.**Example 1:**A map has a scale of 1 inch = 8 miles. Two towns are 3.25 inches apart on the map. a. What is the actual distance between the two towns?**1•d = 8•3.25**d = 26 miles**A map has a scale of 1 inch = 8 miles.**b. What is the scale factor?**8 miles must be changed to inches!**8 x 63,360 = 506,880**Example 2:**A model car is 4 inches long. The actual car is 12 feet long. What is the scale of the model? 1 inch = 3 feet**Example 3:**Sheila is designing a patio that is 16 feet long and 14 feet wide. Make a scale drawing of the patio. Use a scale of 0.5 inches = 4 feet.**16 feet long and 14 feet wide.**0.5 inches = 4 feet. L = 2 inches W = 1.75 inches**2 inches**1.75 inches**Page 278-279**Guided Practice #’s 3-7**15 feet long and 10 feet wide.**0.5 inches = 10 feet. L = 3/4 inch W = 0.5 inch**3/4 inch**1/2 inch**Read:**Pages 276-278 with someone at home and study examples!**Homework: Pages 279-280**#’s 8-20 all #’s 23-44 Skip #25 Lesson Check 6-3**Page**737 Lesson 6-3