# 7 1 ratios and proportions

## 7-1 Ratios and Proportions

Holt Geometry. All rights reserved. Name. Date. Class. LESSON. Practice B. Ratio and Proportion. Use the graph for Exercises 1–3. Write a ratio expressing.

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Another category of proportion problem is that of "similar figures". Think of what happens when you use the "enlarge" or "reduce" setting on a copier, or when you get an eight-by-ten enlargement of a picture you really like, and you'll have the right idea; or, if you've used a graphics program, think "aspect ratio". Solving Proportions. In the context of ratios and proportions, the point of similarity is that the corresponding sides of similar figures are proportional; that is, that the lengths are proportional. For instance, look at the similar triangles ABC and abc below:.

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