Lesson 5
Creating Scale Drawings
Problem 1
An image of a book shown on a website is 1.5 inches wide and 3 inches tall on a computer monitor. The actual book is 9 inches wide.
- What scale is being used for the image?
- How tall is the actual book?
Solution
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Problem 2
The flag of Colombia is a rectangle that is 6 ft long with three horizontal strips.
- The top stripe is 2 ft tall and is yellow.
- The middle stripe is 1 ft tall and is blue.
- The bottom stripe is also 1 ft tall and is red.
-
Create a scale drawing of the Colombian flag with a scale of 1 cm to 2 ft.
- Create a scale drawing of the Colombian flag with a scale of 2 cm to 1 ft.
Solution
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Problem 3
Here is an unlabeled rectangle, followed by other quadrilaterals that are labeled.
- Select all quadrilaterals that are scaled copies of the unlabeled rectangle. Explain how you know.
- On graph paper, draw a different scaled version of the original rectangle.
Solution
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(From Unit 2, Lesson 2.)Problem 4
For each pair of polygons, describe a sequence of translations, rotations, and reflections that takes Polygon P to Polygon Q.
Solution
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(From Unit 1, Lesson 3.)