Question

what is the perimeter of abc with vertices A (-2,9), B (7,-3), and C (-2,-3) in the coordinate plane?
A: 21 units
B: 15 units
C: 34 units
D: 36 units

Answer 1

find AB,BC,AC by distance formula then add them.
\[d=\sqrt{\left( x _{2} -x _{1}\right)^2+\left( y _{2}-y _{1} \right)^2}\]

Answer 2

can you help me set it up? i can do the math but the set up is a lil confusing to me

Answer 3

@surjithayer