What are orthogrphics?

Find the length of the arc formed by central angle x? How many sides does a hexagon? What is the square of 256? Shapes that are 4 sided but slanted to the left? Two angles with a common side but no common interior points? When writing length width height what come first? Who was the man that figured out gravity? What does the same cross section throughout the length? What does a 110 degree angle look like? How do you find a point equidistant from three other points? Each exterior angle of a regular polygon measures 20 degrees how many sides does the polygon have? How many square feet in an acor? How many bricks are needed to enclose a triangular flower garden that has sides measuring 3 feet 4 feet and 5 feet if each brick is 8 inches long? What is the geometric mean between 16 and 25? How far can you see before the earth curves? How many sides do 1 nonagon and 5 octagons have altogether? When did they invent the Coordinate plane? How many square meters in 18x10 meters lot? Does an octagon have 6 angles? What is the reference angle of -370 degree?