Algebra 1 2-8 Guided Practice: Proportions and Similar Figures
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by Matthew Richardson
| 18 Questions
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Solve It! A sailboat and an accurate model of the boat are shown. How many feet long is the model sailboat? Enter only a number.
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Explain your reasoning.
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Take Note: Define similar figures.
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Take Note: Create an example pair of similar figures on the canvas.
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Take Note: Type the symbol for similar to.
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Take Note: What does it mean for angles to be congruent?
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Take Note: Create an example pair of congruent angles on the canvas.
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Take Note: Type the symbol for congruent to.
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Problem 1 Got It?
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Problem 2 Got It? Create a diagram on the canvas to represent the scenario. Remember that you can insert pictures of objects -- like a man, a flagpole, a shadow, etc. -- instead of drawing them all. Be sure to label all important information.
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Problem 2 Got It? A man who is 6 ft tall is standing next to a flagpole. The shadow of the man is 3.5 ft and the shadow of the flagpole is 17.5 ft. What is the height of the flagpole?
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Take Note: Define scale drawing.
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Take Note: Define scale [of a scale drawing].
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Problem 3 Got It? The distance from Jacksonville to Gainsville on the map is about 0.6 in. What is the actual distance from Jacksonville to Gainsville?
About 34 miles
About 52 miles
About 66 miles
About 27 miles
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Take Note: Define scale model.
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Problem 4 Got It? A scale model of a building is 6 in. tall. The scale of the model is 1 in. : 50 ft. How tall is the building?
300 ft
3600 ft
8.33 ft
100 ft
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Take Note: Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?
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