Question

What is the perimeter of the triangle shown on the coordinate plane, to the nearest tenth of a unit?

14.6 units

15.5 units

21.0 units

21.6 units

Answer 1

The perimeter of the traingle shown on the coordinate plane of points (-3, 3), (3, 4),and (3,-3) is 21.6 units. The length of one sides of the triangle is 6.1, 8.5 and 7 units. To calculate the perimeter of a triangle just add all the sides.