Question

A triangle is graphed in the coordinate plane. The vertices of the triangle have coordinates (–3, 1), (1, 1), and (1, –2).



What is the perimeter of the triangle?

Answer 1

A.7
B.12
C.6
D.14

Answer 2

I think B. 12

Answer 3

you must use the distance formula to calculate the distance between all the points then add those together. I checked for you and the correct answer is B. 12.

Answer 4

its B. i agree with those two ^^ :)