Answer:
Explanation:
The line joining (-2, 4 ) and (2, 4) is horizontal and its length is (2- - 2) = 4.
As we have a parallelogram its opposite side also = 4.
The length of the other 2 lines =
√[(2-1)^2 + (4 - -1)^2]
= √26
So the perimeter
= 8 + 2√26
= 18.20 units to the nearest hundredth.