Question

Points P(1, 2) and Q(10, 14) on a coordinate grid represent side PQ of triangle PQR. What is the length of side PQ of the triangle?

15 units

2 units

27 units


21 units

Answer 1

i think you use the distance formula

Answer 2

If the distance formula by itself doesn't make sense, think of this in terms of a triangle. You look at how much x changes from the first point to the second and make that one of the sides, and same for y. Then you just find the hypotenuse.