Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 7 - Similarity - 7-1 Ratios and Proportions - Lesson Check: 5

Answer

A ratio is a single comparison. A proportion is a statement that two ratios are equal.

Work Step by Step

A ratio compares two similar quantities. They are achieved by dividing one quantity by the other quantity. For example, the ratio of 10 to 5 is: 10 $\div$ 5 = $\frac{10}{5}$ 10:5=2:1 A proportion is a statement that two ratios are equal. For example: 10:5=2:1 $\frac{10}{5}$=$\frac{2}{1}$
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