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# Similar Shapes (Astronomy Themed) Math Worksheets

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## Definition

What are Similar Shapes?

• Similar shapes are two shapes having the same shape but different sizes.
• These shapes also have equal corresponding angles and sides.

## Summary

SIMILAR TRIANGLE THEOREMS

ANGLE-ANGLE THEOREM (AA)

This states if two triangles a have two pairs of corresponding angles that are congruent, then the two triangles are similar.

SIDE-ANGLE-SIDE THEOREM (SAS)

This states that if two sides of one triangle are proportional to two corresponding sides of another triangle, and their included angles are congruent, then the two triangles are similar.

SIDE-SIDE-SIDE THEOREM (SSS)

This states that if two triangles have proportional sides, then they are similar.

## Similar Shapes (Astronomy Themed) Worksheets

This is a fantastic bundle that includes everything you need to know about Similar Shapes across 21 in-depth pages. These are ready-to-use Common core aligned 7th and 8th Grade Math worksheets.

Each ready to use worksheet collection includes 10 activities and an answer guide. Not teaching common core standards? Don’t worry! All our worksheets are completely editable so can be tailored for your curriculum and target audience.

## Resource Examples

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## Worksheets Activities Included

Ages 11-12 (Basic)

• Elements in the Universe
• My Dream
• The Lost Astronaut
• The Constellations
• Planets and Stars