kiyomi1
kiyomi1 kiyomi1
  • 12-09-2017
  • Mathematics
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The triangles are similar, what is the value of x?

The triangles are similar what is the value of x class=

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AnimeArtistLife
AnimeArtistLife AnimeArtistLife
  • 12-09-2017
Since the triangles are similar, we can use ratios to find what x equals. 

Ratios:
3x+8/4 = 25/5

The easiest way to solve ratios, in my opinion is to cross multiply. 

3x+8*5 = 4*25. Simplify to get 15x + 40 = 100.

Subtract 40 on both sides. 15x = 60.

Divide 15 on both sides. x = 4.
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