How many triangles in the 23-gon?

Which of these figures is not always equilateral? How can you find area of a rectangle? What is the circumference of a 15 by 24 pool? What is the opposite of the knife is pointy? How many tile in a box? What is the formula of the intersection of two lines? What is the sum of the measures of the interior angles of a 41-gon? What is the diameter of circle with a circumference of 15 pi? What is the surface area of a regular triangular pyramid with the lateral surface area of 72cm? 3280.83 feet is how many acres? What are the types of parallelogram? What is the volume of a right trianglular pyramid whose base is 3 meters on each side and whose altitude is 4 meters? What is the difference between a regular shape and an irregular shape? Can a pyramid roll? How many meters squared is 22ftx20ft? How do you find the measure of an angle that is being bisected when given the measure of one of the smaller angles? If the area of a triangle is 15 cm squared, and the based is 2 cm, then what is the height? What is the x-intercept of the line shown below -2 and 4? What is a flat drawing that shows all or part of earths surface? What are the rules in isometric drawing?