What is a guadrilater?

Is L a theorem is all about right triangles? What is a 170 angle called? Fifty sq yards is how many square feet? How many triangles are there in a heptagon? What are the first 20 decimal places of pi? What is a 3-D pentagon called? Area of quadrilateral? What is a penatgon shape? Given a 12 x 12 square sheet of paper cut it into two parts that can be rearranged to form a rectangle that is 9 x 16? How many square feet 3x20? What is the measure of the angle B in degrees? What is the linear dimentions of 40 acres? The legs of a right triangle are 10 and 26 inches long respectively? How many lines of symmetry does a cyilder have? How is the area of a circle calculated? What times what equals 10000 square meters? What three dimensional shape has two sides triangular and the other three rectangular? What is the meaning of prove your worth? An equilateral quadrilateral that is not equiangular? What is the degree of an octagon?