If triangle ABC is similar to triangle DEF, with AB corresponding to DE and AC corresponding to DF. Given AC = 10, DF = 5, and DE = 4, what is AB?

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Prepare for the Certify Teacher EC-6 (391) Mathematics Exam. Utilize multiple choice questions, flashcards, and explanations to excel in your assessment. Gear up for success!

Multiple Choice

If triangle ABC is similar to triangle DEF, with AB corresponding to DE and AC corresponding to DF. Given AC = 10, DF = 5, and DE = 4, what is AB?

Similar triangles have corresponding sides in proportion. Since AB corresponds to DE and AC corresponds to DF, the ratio AB/DE must equal AC/DF. With AC = 10 and DF = 5, AC/DF = 10/5 = 2, so AB/DE = 2. Given DE = 4, AB = 2 × 4 = 8. Therefore, AB is 8.

If triangle ABC is similar to triangle DEF, with AB corresponding to DE and AC corresponding to DF. Given AC = 10, DF = 5, and DE = 4, what is AB?

Prepare for the Certify Teacher EC-6 (391) Mathematics Exam. Utilize multiple choice questions, flashcards, and explanations to excel in your assessment. Gear up for success!

If triangle ABC is similar to triangle DEF, with AB corresponding to DE and AC corresponding to DF. Given AC = 10, DF = 5, and DE = 4, what is AB?

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