Answer:
please upload the figure so i could help you :)
Step-by-step explanation:
The isosceles triangle length of each leg would have to be greater than 7
You just have to plug your coordinates into the distance formula.
(1, 6) (8, 1)
(X1, Y1) (X2, Y2)
do the work and you get 8.6
Download photo-math on ur phone and take a picture of the equation. it should tell u the answer.