Question

B

Thomas is attempting to prove the Pythagorean Theorem using similar triangles. Which of the following could be Thomas's first ratio that he sets up?

underline O A . (AB)/(AC) = (AD)/(AB)

underline OB . (AB)/(AC) = (DC)/(BC)

O * (BD)/(AB) = (CD)/(BC)

(AB)/(BC) = (BD)/(DC)
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Answer 1

Based on the given options, Thomas's first ratio that he sets up could be option B, which is (AB)/(AC) = (DC)/(BC).