convert the rectangular coordinates bracket 3 square root of 3, negative 9 bracket into Polar form. Express the angle using radians in terms of pi over the interval 0 less than equal to Theta less than 2pi, with a positive value of r​

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking