The general equation of a line is:

When m is the gradient and x1 and y1 are the coordinates of the points on the line
Therefore:


Step-by-step explanation:
answer and explanation is pinned
If 5.6 and 2.1 are the measurements then:
you multiply 5.6 and 2.1 to get the area.
Area=11.76squared
You add 5.6+5.6+2.1+2.1 to get the perimeter.
Perimeter=15.4
Sent a picture of the solution to the problem (s).