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# Unknown Measures of Similar Figures

## Use ratios and proportions to solve for missing lengths in similar figures.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
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## Unknown Measures of Similar Figures

Find unknown side lengths in similar figures.

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## Unknown Measures of Similar Figures

Discover how to use proportions to find unknown measures in similar figures and then apply these measures to indirect measurement.

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## Proportions and Similar Figures: Finding the Length of a Side

by SFDR Algebra I //at grade

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## Unknown Measures in Similar Figures

Learn how to use proportions to find unknown side lengths in similar figures.

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• Practice
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## Unknown Measures of Similar Figures Stop and Jot

Learn new vocabulary words and help remember them by coming up with your own sentences with the new words using a Stop and Jot table.

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## Use Proportions to Find Unknown Measures in Similar Figures Post Read

Develop understanding of concepts by studying them in a relational manner. Analyze and refine the concept by summarizing the main idea, creating visual aids, and generating questions and comments using a Four Square Concept Matrix.

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• Real World Application