Who invented geometry divider?

Which shape has 3 pairs of parallel sides? A line connecting a vertex of a scalene triangle with the midpoint of the opposite side is a ...? How many sides does a hepta gon have? What is 15x11ft in square meters? What is the perimeter of a circle with the radius of 7cm and diameter of 14cm? Who is Professor Louis Grant? The perimeter of a circle the distance around a circle? Find volume of a rectangular prism measuring 5m by 8m by 9m? What is the circumference of the circle if the diameter is 24cm? How do you make a decagon from 5 matchsticks? What is the Name of a square with no equal sides? What is the diameter of a 5 pound sphere? What is the perimeter of a regular hexagon? How much fall in a 8 degree roof over 1 meter? How many is 120 feet x 900 feet in acres? If one leg of the isosceles right triangle is 2 feet long find the length of the hypotenuse? Is heptagon a Greek or Latin word? What is 90 square foot in meters? What is the order of rotation in a rectangle? Contributed to non-euclidean geometry?