Answer:
1 possibility is there for the the position of the fourth vertex.
Answer:
80 and 4
Step-by-step explanation:
80/4=20
80+4=84
Just add the two equations together.
2b = 18
b = 18/2
b = 9
9 = k + 10
9 - 10 = k
k = - 1
Answer:
To use the coordinate plane to help you find the perimeter and area of various shapes, you first draw the shape on the coordinate plane and then you count the number of unit squares the shape takes up. For the perimeter, it's the number of unit squares that go around the shape.