If AABCDEF, what is the scale factor of ABC to ADEF?18AB2420O A.O-IN12OB. 10C. 10OD. 2C DE10F

Trent Earl asked Aug 10, 2023

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Trent Earl asked Aug 10, 2023

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10 votes

Let:

k = Scale factor

From the figures we can conclude:

$\begin{gathered} k\cdot BC=EF \\ where: \\ BC=20 \\ EF=10 \\ so: \\ 20k=10 \\ k=(10)/(20) \\ k=(1)/(2) \end{gathered}$

Answer:

A. 1/2

Brad Solomon answered Aug 15, 2023

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