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Use the diagram to the right to determine whether BC. DE. Justify your answer. AD = 15, DB = 12, AE = 10, and EC = 8.

Use the diagram to the right to determine whether BC. DE. Justify your answer. AD-example-1

1 Answer

5 votes

we have the following:


\begin{gathered} AD=15 \\ DB=12 \\ AE=10 \\ EC=8 \\ (AD)/(DB)=(15)/(12)=(5)/(4) \\ (AE)/(EC)=(10)/(8)=(5)/(4) \\ BC\mleft\Vert DE=(5)/(4)\mright? \end{gathered}

The answer is 5/4

answered
User Tollmanz
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