Can you build a octagon shape roof using four support posts?

What is mm short for? Is there an object that can be translated so that it's end result is exactly the same as the original object? How would you explain that the product of any two consecutive number is even? What has a head a tail and brown? Is 116 rational? 15 feet x 13 feet into square feet? How do you write 1.02million? What is the gasoil ratio? How many time zones are between 2 o clock and 7 o clock? When a problem says 590 is divided by the a number the number 590 is called? What is the simplest fraction of 62 over 164? Velocity includes speed and? Why the square root of 88.5 equals 3.0? How can you write 4 tenths in decimal? What is the exponential form of the 435 000 990 427 006? What is the greatest common divisor of 260 and 546? What most reasonable measure for the height of your desk? How do you convert cm to meters cubed? How do you write 17 in exponential notation? What is the importance of trigonometry in the field of electricity?