Similar Triangles Worksheet (1 of 2)

Grades K-8 Worksheets

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Finding the Area of Triangle and Quadrilaterals Worksheets
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Write the scale factors and values for x for the pairs of similar triangles below.
Two similar triangles

Scale Factor: .5 x = 4.5

Two similar triangles

Scale Factor: 1.5 x = 12

Two similar triangles

Scale Factor: 1.333 x = 8

Two similar triangles

Scale Factor: 1.25 x = 8

Two similar triangles

Scale Factor: .25 x = 4

Two similar triangles

Scale Factor: 1.429 x = 12

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Related Resources

The various resources listed below are aligned to the same standard, (8G04) taken from the CCSM (Common Core Standards For Mathematics) as the Geometry Worksheet shown above.

Understand that a two-dimensional figure is similar to another if the second can be obtained from the first by a sequence of rotations, reflections, translations, and dilations; given two similar two-dimensional figures, describe a sequence that exhibits the similarity between them.

Example/Guidance

Similarity, Congruence and Transformations

Worksheet

Shapes and Figures

Similarity, Congruence and Transformations

Similar to the above listing, the resources below are aligned to related standards in the Common Core For Mathematics that together support the following learning outcome:

Understand congruence and similarity using physical models, transparencies, or geometry software