SOLUTION: The legs of an isosceles triangle have lengths x + 1 and -x + 7 . The base has length 3x

SOLUTION: 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?

Question 922924: 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?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

Isosceles Triangle:
Two sides.
Two angles.

given:
The legs lengths: and
since we have an isosceles triangle
solve for

now we can find the base
the base has length ...plug in

so, the base has length

and the length of the legs are: and
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