What is the area of a regular heptagon with side length a? A regular octagon? Regular n-gon? Write the general formula for the area of a regular n-gon with side length a such that there is a trigonometric term in the formula.

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

Intro biblioteca sunt 462 de carti cu 198 mai putine enciclipedii si cu 47 mai multe dictionare decat enciclopedii cate enciclopedii sunt in biblioteca

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false