AMC / AIME · Similar Triangles · Easy
Similar Triangles: A math by math rectangle is enlarged so its shorter side is math. Find the new longer side.
AA and ratios.
Try the problem
A by rectangle is enlarged so its shorter side is . Find the new longer side.
Hint and answer
Concept to use
AA recognition.
Hint
Match corresponding sides and use one scale factor.
Answer
20
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