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D is on side AC of Triangle ABC. We know [ABC] = 120, AD = 8, DC = 3. What is [ABD]?

 Nov 17, 2021
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D is on side AC of Triangle ABC. We know [ABC] = 120, AD = 8, DC = 3. What is [ABD]?

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Angle BAC = 90º

AC = 11

AB = 1/2(240 / 11)

[ABD] = 1/2(AB * AD) = 87 3/11

 Nov 17, 2021

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