Similar Figures. 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.

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Presentation transcript:

Similar Figures

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 = 3w3w w = 6 The right rectangle is 6 cm wide. 1. Write a proportion 2. Solve the proportion. ?

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

Assignment

Similar Figures Date ____________

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. ?

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