Part I: Measuring Parts of a Circle
a. Help Dakota with her homework. Use diagrams of inscribed polygons to approximate the circumference of each circle. Assume that all of the circles have a radius of 1. Then, calculate the ratio of the approximate circumference to the diameter.

Which two transformations are applied to pentagon abcde to create a'b'c'd'e'? (4 points) translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the x-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the y-axis translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the y-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the x-axis