Find the length of a leg in simplest radical form. 22 45

Write as a product: ac^2–ad+c^3–cd–bc^2+bd

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never