What is the name of an everyday example of a regular do-decagon?

What are two lines intersecting to form two lines? What is the average ankle measurement oF A 6 year old girl? How long does it take a bike to travel 35 miles at 10 miles per hour? What is the fraction 41 over 82 reduced? What are interior and extrior angles? If the ratio of cp and sp 5 4 then what would be the profit or loss? What is the area of a circle with D equals 14 mi? What is 27.8571429 x 7? If there are fifty questions on a true or false how many possible ways to answer? How many times does 10 go into 8000? A quarter is tossed 4 times in how many different orders can heads and tails be used? What is something divided by 4 equals 70? What is the simplified exression of the square root of 28? What iS 0.458 rounded to the nearest tenth? What is April 30 1986 in roman numerals? Why is 56 an abundant? Name two 2d shapes in which the angles of each add up to 360degrees? So how do i work in the micdonelds drve thoue wehen im onle 6? How much more is 5000 grams than 135 kilograms? How do you write 300 million in scientific notation?