scottyrodgers06 scottyrodgers06
  • 17-12-2019
  • Mathematics
contestada

What is the perimeter of the triangle? Round to the nearest tenth.

Question 2 options:

12.8 Units


19.8 Units


30.5 Units


23.5 Units

What is the perimeter of the triangle Round to the nearest tenth Question 2 options 128 Units 198 Units 305 Units 235 Units class=

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MadisonTwist MadisonTwist
  • 19-12-2019

Answer:

length of BA=[tex]\sqrt{(3+2)^{2}+(0-3)^{2}}[/tex]

length of BC=[tex]\sqrt{(3+4)^{2}+(0+3)^{2}}[/tex]

length of AC=[tex]\sqrt{(-2+4)^{2}+(3+3)^{2}}[/tex]

AB=BA=6.7

BC=7.6

AC=CA=6.3

PERIMETER=AB+BC+CA=19.8

Step-by-step explanation:

we can use length of line formula if the line cordinate is (a,b) and (c,d)

[tex]\sqrt{(c-a)^{2}+(d-b^{2})}[/tex]

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