Question

The coordinates of the vertices of triangle QRS are Q (1,-2), R (1,9),

S (6,-4). What is the length, in units, of the line segment that connects
vertex Q to vertex R?

Answer 1

QR = 11

Explanation:

Q and R are on a vertical line. Therefore, QR = 9 - (-2) = 9 + 2 = 11

Answer 2

I think 1700000000000000000