For the plotted points

12

Step-by-step explanation:

Use the Shoelace Theorem.

Area = ( 1/2 ) * { ( -4 * 8 ) + ( -8 * 2 ) + ( -8 * 8 ) - ( -8 * 8 ) - ( -8 * 8 ) - ( -4 *2 ) }

        = ( 1/2 ) * 24

        = 12

-> https://en.wikipedia.org/wiki/Shoelace_formula#Proof_for_a_triangle <-

[If there's any mistake, please inform me]

kjgfcvbjkl

step-by-step explanation:

sdfghjkl; vbnm,