Question

Find the perimeter of the parallelogram ABCD with vertices A(−4, −5), B(3, −5), C(5, −2) and
D(−2, −2).

Answer 1

taym13...

Just apply the distance formula for each pair or points that you have on the perimeter.

D(AB) + D(BC) + D(CD)+D(DA).

Distance formula for two points A and B:

\[D(AB) = \sqrt{(\Delta x)^2+(\Delta y)^2}\]