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iogann1982 [59]
2 years ago
6

need some help with geo, could you explain how to do it as well so i know next time not needed but helpful

Mathematics
1 answer:
Setler [38]2 years ago
5 0
You can do this by finding the lengths of RT , RS and ST using the distance formula

RT = sqrt ((0- -5)^2  + (4 - -6)^2)
      = sqrt (5^2 + 10^2)  = sqrt 125

RS =  sqrt ((-3- -5)^2 +  (-2 - -6)^2))
       = sqrt  ( 2^2 + 4^2)  = sqrt 20

ST  = sqrt 125 - sqrt 20

RS / ST  = sqrt 20 / (sqrt 125-sqrt 20)

so the ratio RS:ST = 2:3

Its B
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• AD = 3

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• DC = 27

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• BD = x + 3

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