1. A triangle has vertices D(1,3), E(-3, 2) and F (-2, -2)
a)Classify the triangle by side length (i.e equalateral, isosceles or scalene).
b) Determine the perimeter of the triangle, to the nearest tenth.
2. Determine the equation of the following circles with centre ( 0,0) and the given radius.
b) r = 10
c) r = sq root 3
Can anyone help me please? With all the work to get the answers too?
I would really appreciate it.