1 Answer

Blakey · Answer 1 · 2022-07-18T19:58:55+0000

Answer:

The scale factor is 1/2

Explanation:

Given

$\triangle DE F$ and
$\triangle ABC$

Required

The scale factor from
$\triangle DE F$ to
$\triangle ABC$

Take a corresponding side in both triangles.

We have:

DE= 20
AB = 10

The scale factor from
$\triangle DE F$ to
$\triangle ABC$ is:

k =(AB)/(DE)

k =(10)/(20)

k =(1)/(2)

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