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OpenStudy (anonymous):
OpenStudy (anonymous):
@tanner23456
OpenStudy (tanner23456):
Perimeter is only the outside distance. When it gives you the measurement 8 in the first figure, apply it to the base of the figure.
to find the x we can apply the two measurements from the smaller figure to make a proportion.
3/4.5 = 8/x
3x = 36
x = 12
now add up all the sides applying the 12 measurement only to the base of the figure.
OpenStudy (anonymous):
let me read that.
OpenStudy (anonymous):
one moment..
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OpenStudy (anonymous):
im reading
OpenStudy (tanner23456):
Sorry if I confused you with the wording. I simply meant when you add up all the sides, don't add the 12 twice. It only counts for the base.
OpenStudy (anonymous):
Okay.
OpenStudy (anonymous):
OOOOHH. You add up 9+4.5+6+8+3 PLUS 12?
OpenStudy (anonymous):
[Which web2.0calc.com says is 42.5.]?
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OpenStudy (anonymous):
Or not?
OpenStudy (tanner23456):
No, just the larger figure: 9+4.5+6+6+12
I'm getting 37.5
Are you sure 42.5 is right?
OpenStudy (anonymous):
how?
OpenStudy (anonymous):
o thats y. i believe i added the measurements of both figures
OpenStudy (anonymous):
i apologize.
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