Similar and congruent triangles
Lines, angles, and triangles · Stage 2
Recognize the pattern
Match corresponding sides before forming a proportion.
Useful ruleCorresponding sides proportional
Build on: GEO-05
Try it before reading the solution
Similar triangles have corresponding sides 4 and 6. A side of 10 corresponds to what length?
This teaching example is original and is not an official SAT question.
Reasoning
The scale factor is 6/4=1.5; 10×1.5=15.
Answer15
03 · Next step
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Practice questions remain in English, as on the SAT.