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Mathematics 8 Online
OpenStudy (anonymous):

The legs of an isosceles triangle have lengths x + 1 and -x + 7 . The base has length 3x - 3. What is the length of the base? A. 4 B. 6 C. 3 D. cannot be determined

OpenStudy (anonymous):

I know it's not C

OpenStudy (anonymous):

set x+1=-x+7 because it is an isosceles triangle then you will get x=3

OpenStudy (anonymous):

and plug 3 into the equation 3x-3

OpenStudy (anonymous):

So B?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Thank you

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