How many angles does a dictogon have?

If a bicyclist completes a 100-mile race in 3 hours 45 minutes what is the average speed in miles per hour of the bicyclist? Which quadrilateral does not have diagonals that meet as right angles? If a fraction in the denominator it is undefined IT HAS WHAT its denominate? What is 10 percent of 850.000? What is eight hundredths down from 5.71? What fractions are equivalent to fifteen over twenty four? What means to divide the numerator and the denominator of the ratio by the same factor? Is there a symbol denoting hours rather than woriting 10 hours or 10 hrs? Why do you still have the us customary system? How did you get 3.92 from 14 percent of 28? What do you call 53 tens? What is a angle that measure 60 degrees? What is 189 over 216 in simplest form? What does sine ratio mean? What formula should you use to convert a celsius temperature reading to a Fahrenheit temperature reading? Is the area of a parallelogram the same as a rectangle? What is a symmetrical date and year called? What are the chances of dying at 16? What are the factors of 45 from least to greatest? How many characters in inazuma eleven?