Question

hheeeellpppp!
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

Answer 1

The legs of an isosceles triangle are congruent.

First step,

Solve this equation for x:

x + 1 = -x + 7

Answer 2

@emmaleelooney

Answer 3

i think it is 6 as u solve the equation x+1 = -x +7 u get x=3
so 3x-3-----> 3(3)-3----> gives you 6 :)