agkjorgesrb agkjorgesrb
  • 10-07-2018
  • Mathematics
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Somebody help me!!!!!!!!!!!!!!!!!!!!! (Geometry)

Somebody help me Geometry class=

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Luv2Teach
Luv2Teach Luv2Teach
  • 10-07-2018
Use similar triangles to solve this.  3 is to 36 as 5 is to x.  Setting that up as a proportion gives us  [tex] \frac{3}{36}= \frac{5}{x} [/tex].  Cross-multiply to get 3x=180.  That means that the length of the ladder has to be 60 feet long to be safe.
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Creati
Creati Creati
  • 10-07-2018
Hello!

You can make a proportion

[tex] \frac{3}{5} = \frac{36}{x} [/tex]

Cross multiply

36 × 5 = 180

Divide by 3

180 ÷ 3 = 60

[tex]\framebox {60 feet}[/tex]
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