we know that
x+1 = -x+7
x=3
so the base is 6
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. 6
b. cannot be determined
c. 4
d. 3
1 answer
a. 6
b. cannot be determined
c. 4
d. 3
1 answer