help i will fan and medal answer already solved need to figure out out how she got the numbers

- anonymous

help i will fan and medal answer already solved need to figure out out how she got the numbers

- katieb

I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!

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- anonymous

I sort of said it wrong it's not slope I always just got to slope be you would use pathegorean theorem for the two sides so 3^2+4^2=c^2 so the length would be root 13 so the perimeter would be root 13 + root 13 +6+6
12+2sqrt13

- anonymous

someone already helped me on this but idk where she got the numbers from

- anonymous

this is the equation she solved
find the perimeter of the shape

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## More answers

- anonymous

@Skielerlucas04 can you help or do you know anyone who can

- anonymous

@blackeistien238821 help please

- anonymous

idk wut grade work dis

- anonymous

geometry 10th grade

- anonymous

i only 7th grade sorry

- anonymous

wish i could help

- anonymous

oh it thanks but do you know any that can help me

- anonymous

jim_thompson5910

- anonymous

- anonymous

i think she got the numbers from the points but used slope intercep form to find the length of the sides

- anonymous

so how did she get the numbers from slope intercept

- jim_thompson5910

Focus on the right triangle I have drawn in red. This triangle has legs of 2 and 3.

##### 1 Attachment

- jim_thompson5910

a = 2
b = 3
c = unknown
a^2 + b^2 = c^2
2^2 + 3^2 = c^2
solve for c to get c = ???

- anonymous

15

- anonymous

sorry 12

- jim_thompson5910

nope on both

- anonymous

13

- jim_thompson5910

2^2 + 3^2 = c^2
4 + 9 = c^2
c^2 = 13
c = ??

- anonymous

what do i do with 13

- anonymous

13 times 13 is 169

- jim_thompson5910

the opposite actually, you take the square root of 13

- jim_thompson5910

\[\Large c = \sqrt{13}\]

- anonymous

that 3.605551275

- anonymous

4

- jim_thompson5910

The length of AB is \(\Large \sqrt{13}\) units long. The same reasoning applies to CD.

- anonymous

or 4 lol

- anonymous

i got 4 for CD

- anonymous

- jim_thompson5910

CD is the same length as AB

- anonymous

but how did she get 19

- jim_thompson5910

both are exactly sqrt(13) units long
they are approximately 3.60555127546399 units long

- jim_thompson5910

I don't see any 19

- anonymous

like what IIIIIIIIIIIIIIIIII said

- anonymous

12+2sqrt13 equals 19

- jim_thompson5910

I'd have to see the full problem + instructions

- anonymous

19 was the final answer

- jim_thompson5910

Oh nvm, you're looking for the perimeter

- jim_thompson5910

two sides are 6
6+6 = 12

- jim_thompson5910

the other two sides are \[\Large \sqrt{13}\]

- jim_thompson5910

\[\Large \sqrt{13}+\sqrt{13} = 2\sqrt{13}\]

- anonymous

how are they 6

- jim_thompson5910

Perimeter = \(\Large 12+2\sqrt{13} \approx 19.2111025509\) which rounds to 19

- jim_thompson5910

BC = AD = 6

- jim_thompson5910

you just count the spaces for the horizontal or vertical segments

- anonymous

oh ok

- jim_thompson5910

|dw:1437692895844:dw|

- anonymous

were is 13 from

- jim_thompson5910

|dw:1437692932875:dw|

- jim_thompson5910

it's not just 13. It's the square root of it

- anonymous

why cant it be sqrt 12 or another number why is it 13

- jim_thompson5910

because that's what you get when you solve for c in 2^2 + 3^2 = c^2

- jim_thompson5910

it's \(\sqrt{13}\) and NOT 13

- anonymous

i know

- anonymous

- anonymous

yep

- anonymous

idk lol

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