sunnyk2297
sunnyk2297 sunnyk2297
  • 16-01-2019
  • Mathematics
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I just need to check if the answer I got is right cause I’m not sure. (7th grade)

I just need to check if the answer I got is right cause Im not sure 7th grade class=

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Sxerks Sxerks
  • 16-01-2019

Answer:

48 ft.

Step-by-step explanation:

Since triangles ABC and DEC are similar (you can prove this quite easily), then we know the ratio of the sides are equal. This is a property of similar triangles. So we take the ratio of the sides CE and DE and the ratios of the sidesBC and AB.

We get:

[tex]\frac{x}{40} = \frac{60}{50} \Rightarrow x = \frac{6}{5}\times 40 = 48.[/tex]

So x is 48 ft.

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