This page contains a lot of worksheets on finding the area and circumference of a circle. It also contains simple word problems and concentric circles. Diameter&-&&a line segment that passes through the center of a circle and has endpoints on the circle. Pi-&&! = 3.14 Formulas ... of Circle Reference Sheet.docx ...

Aug 09, 2015 · One of the ACT’s absolute favorite shapes is the circle (or at least we assume so, given how often circles show up on the test). You will not be given any formulas on the ACT, so you’ll have to know and memorize the ins and outs of how circles work before test day. Trig Cheat Sheet Definition of the Trig Functions Right triangle definition For this definition we assume that 0 2 p <<q or 0°<q<°90. opposite sin hypotenuse q= hypotenuse csc opposite q= adjacent cos hypotenuse q= hypotenuse sec adjacent q= opposite tan adjacent q= adjacent cot opposite q= Unit circle definition For this definition q is any ...