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- Sort eight triangles given by two angles into similar groups.
- Find every angle S could be to make two triangles similar and write each similarity statement.
- Write a similarity statement for triangles inside ABC and find lengths from the given sides.
- Find the missing angles and check whether the student's similarity statement is right.
- Decide whether two isosceles triangles with a 100 degree angle, or a 40 degree angle, must be similar.
- Use similar triangles to find a length on Lily's folding camp stool.
- Find the side of a square that fits in the corner of a right triangle.
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AA similarity: the lesson ›More Chapter 7 worksheets: Similarity
- 7.1What a dilation does to a line
- 7.2SSS and SAS similarity
- 7.3Proving two triangles similar
- 7.4Triangle proportionality theorem
- 7.5Proving the triangle proportionality theorem
- 7.6Triangle angle bisector theorem
- 7.7Scale factor and perimeter, area and volume
- 7.8Dilations
- 7.9Similarity transformations
- 7.10AA similarity