Khan Academy Static

Use what you know about distance to solve problems on the coordinate plan like finding the perimeter of a shape or determining if a point is on a circle.

3995_Coordinate_plane_word_problem.html

3993_Points_inside_outside_on_a_circle.html

3992_Area_of_trapezoid_on_the_coordinate_plane.html

3994_Challenge_problem_Points_on_two_circles.html