What is the antonyms for cylinder?

How many line symmetry doe a German flag have? Which logical function returns a true result only when all its arguments are true? What is the name of the top stone of a pyramid? Can gold be welded? Are Some triangles are quadrilaterals? How do you work out the base area of a prism? Is a square always a rectangle and rhombus? What is the radius of a circular field of 6 acres? One angle of an isosceles triangle measures 100 what are the measures of the other two angles explain your reasoning? A square and a triangle have an equal perimeters with the length of three sides of the triangle being 6.2 cm 8.3 cm and 9.5 cm so what is the area of the square? A parallelogram with an area of 225 sq. ft. has a side of length of 25 ft. Find the length of the altitude to that side. And please explain how to do it.? How many feet on each side of 5 acre rectangle? How many feet are there in 1760 yards? What is a million sided polygon called? What is a mountain curve called? How do you find the volume of a rectangular prism if you know the area and height? How many angels does a rectangular prism have? What countries make the golden triangle? How many feet is 152 square feet? What is the distance between (6 2) and (8 10) on a coordinate grid?