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Back to Triangle similarity criteria (AA, SAS, SSS) and proportional sides — Problem 3 · Task Set 2

Triangle Similarity (AA, SAS, SSS) and Proportional Sides

Grade 10·25 problems·~32 min·ACT Math·topic·act-geo-tri-similar
Work through problems with immediate feedback
A

Fluency Practice

1

△ABC∼△DEF\triangle ABC \sim \triangle DEF. If AB=10AB = 10, DE=6DE = 6, and BC=15BC = 15, find EFEF.