1. Similar Figures

2. The rectangle on the left is similar in shape to the rectangle on the right. Find the width of the right rectangle. 3 cm 6 cm 12 cm Let w = the width of the right rectangle. 6 12 = 3w3w w = 6 The right rectangle is 6 cm wide. 1. Write a proportion 2. Solve the proportion. ?

3. City officials want to know the height of a traffic light. Estimate the height of the traffic light. 27.25 15 = 48.75 h Write a proportion. Use compatible numbers to estimate. 9595 ≈ 49 h Simplify. 9h ≈ 245 The traffic light is about 27 feet tall. 27.25 ft 48.75 ft h ft 27 15 ≈ 49 h Solve proportions. h ≈ 27

4. Assignment

5. Similar Figures Date ____________

6. The rectangle on the left is similar in shape to the rectangle on the right. Find the width of the right rectangle. 3 cm 6 cm 12 cm Let w = the width of the right rectangle. ?

7. City officials want to know the height of a traffic light. Estimate the height of the traffic light. = ≈ ≈ 27.25 ft 48.75 ft h ft ≈