alexmcgroggin alexmcgroggin
  • 23-04-2018
  • Mathematics
contestada

Find the perimeter of the triangle defined by the coordinates (9, 0), (-5, 0), and (-10, 6). (Round to nearest tenth)

Respuesta :

MsEHolt MsEHolt
  • 02-05-2018
The perimeter is 41.7

Find the length of each side using the distance formula:
[tex]d=\sqrt{(0-0)^2+(-5-9)^2}=\sqrt{0^2+14^2}=\sqrt{196}=14 \\ \\d=\sqrt{(6-0)^2+(-10--5)^2}=\sqrt{6^2+(-5)^2}=\sqrt{36+25}=\sqrt{61}=7.8 \\ \\d=\sqrt{(6-0)^2+(-10-9)^2}=\sqrt{6^2+(-19)^2}=\sqrt{36+361}=\sqrt{397}= \\19.9[/tex]

Adding the side lengths, we have
14+7.8+19.9=41.7
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smartypants2017
smartypants2017 smartypants2017
  • 20-09-2018

The answer is most def 41.7

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