Similarity Basics
Compare equal shape with equal size versus same shape different size
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Compare equal shape with equal size versus same shape different size
Match sides and angles correctly in similar triangles
Find side lengths using proportional scale factors
Explain that a line parallel to one side divides other two sides in same ratio
Write a logical proof using areas or proportional reasoning
Use proportional segments in triangles with parallel lines
Show that a line is parallel to the third side when ratios are equal
Use equality of corresponding angles to establish similarity
Use proportional corresponding sides to establish similarity
Use included angle equality and proportional including sides
Set up and solve proportions from similar triangles
Solve height and distance style geometry problems using similar triangles
Present given, to prove, construction, proof and conclusion clearly
Detect mismatched side ratios and incorrect angle pairing
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