Find the perimeter of the polygon with vertices of A(0, 0), B(4, 0) and C(2, 3). Round to the nearest tenth. Just enter one number as your answer.

Help!

2 answers

sketch it
A to B = 4
A to C = sqrt(2^2 + 3^2) = sqrt(13)
B to C = sqrt(2^2+3^2) = sqrt(13)
so

4 + 2 sqrt (13)
Thank you so much! I'm not good at geometry.