Question

The equation to the base of an equilateral triangle is x+y=2x+y=2 and one vertex is (2,  -1) . The length of the side is ​

Answer 1

Step-by-step explanation:

x+y=2x+y. (2, -1)

2-1=2(2)+(-1)

1=4+(-1)

1=3

=3-1

=2