In ADEF, C is the centroid
If CM = 20, find DC and DM.

What is the product of the radical expression. (7-2square root) (8+2 square root)

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.