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7.3: Similar Polygons and Scale Factors

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

Congruent

Congruent figures are identical in size, shape and measure.

Proportion

A proportion is an equation that shows two equivalent ratios.

Scale Factor

A scale factor is a ratio of the scale to the original or actual dimension written in simplest form.

sine

The sine of an angle in a right triangle is a value found by dividing the length of the side opposite the given angle by the length of the hypotenuse.

Trigonometric Ratios

Ratios that help us to understand the relationships between sides and angles of right triangles.

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Difficulty Level:
At Grade
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Date Created:
Jul 17, 2012
Last Modified:
Feb 10, 2017
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MAT.GEO.520.L.2