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|dw:1434588974015:dw|

|dw:1434588988805:dw|

Draw a segment from A to B
|dw:1434589038187:dw|

what is the midpoint of this segment?

do you know the midpoint formula @iSpiffy2wice ?

no I dont :/

you add up the corresponding coordinates and then divide by 2

midpoint of AB is (1,5)
|dw:1434589451464:dw|

making sense?

yes it is

so what is the midpoint of segment BC ?

3,5/?

|dw:1434589662988:dw|

the perpendicular bisectors cross at (3,5)
so that is the circumcenter
|dw:1434589790411:dw|

thank you :O

can you help me w/ another?

sure, one more

oh wait, the radius isn't 2, so ignore that portion

is the attached file correct or no? D:

were you able to find the value of x? if so, what is x equal to?

if were being honest no, I just guessed :/

add up the three sides, and set that equal to 30
5x-7+3x+1+4x = 30
solve for x to get x = ??

i have literally no idea what you just typed DD:

the three sides are AB, BC, and AC
|dw:1434590337740:dw|

example: here is segment AB
|dw:1434590361550:dw|

I added up AB, BC, and AC
then I set all that equal to 30 since that is the perimeter

|dw:1434590403402:dw|

are you able to solve 5x-7+3x+1+4x = 30 for x ?

im trying but i dont really get it :/

12x-6? :-/

do you see how I did AB + BC + AC = perimeter ?

yeah 12x - 6 = 30

add 6 to both sides
12x - 6 = 30
12x - 6+6 = 30+6
12x+0 = 36
12x = 36

what's next?

BC??

snt that what we do next :L

well if 12 times ______ = 36, then what goes in the blank?

yep x = 3

we then use this x value to find AB, BC, & AC

For instance
AB = 5x-7
AB = 5*3 - 7 ... replace x with 3
AB = 15 - 7
AB = 8
|dw:1434590785410:dw|

what is the length of BC?

it looks like an equilateral so 8 aswell? :L

don't base things off the picture alone
my picture isn't to scale

use BC = 3x+1
and plug in x = 3

34? ://

BC = 3x+1
BC = 3*3+1 ... replace x with 3
BC = ???

OH 10

yep
AB = 8
BC = 10
|dw:1434590954554:dw|

and finally, how long is AC ?

use the algebraic expression they give you

12?

good
|dw:1434591008920:dw|

so itd be |dw:1434590964987:dw| right?

|dw:1434591107541:dw|

|dw:1434591138247:dw|

C A B?

correct

if anything, the triangle probably looks like this
|dw:1434591253370:dw|

thanks for bearing with me and helping me!!

you're welcome