Erin had 6 pens Justin gave her some more now she has 9 pens how many did Justin give her
2 answers:
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The length of AE is
Explanation:
From the figure, we can see that the two triangles ΔAED and ΔACB are similar. Thus, the legs of the triangle are proportional to each other.
Thus, we have,
Substituting the values of the sides from the image, we get,
Multiplying both sides of the equation by 6, we get,
Multiplying, we have,
Thus, the length of AE is