Name _____________________________________ Class ____________ Date _____________ Alternative Assessment Chapter 12 Form C TASK 1 Consider the circle . a. State its center and radius. b. Explain how the equation of the circle is related to the distance formula. TASK 2 Regular pentagon ABCDE is inscribed in a circle as shown. a. Describe a method for finding the center of the circle. b. If the radius is 6, find Explain your reasoning. and the length of chord AB. Name _____________________________________ Class ____________ Date _____________ Alternative Assessment (continued) Chapter 12 Form C TASK 3 Parallelogram ABCD is inscribed in a. Show that and . are right angles. b. Show that . c. Given the results of (a) or (b), what can you conclude about ABCD? TASK 4 Given: The sides of are tangent to , and a. Show that . is isosceles. Find its angle measures and side lengths. b. Find the radius of at points B, X, and Y. .