What objects in a house have a reflex angle?

If a man is on a train travelling at 20 km per hour and he is walking at 2 km per hour how fast is he going? How do you convert 27 inches to feet? When It is a function which occurs between two quantities such that when one quantity increases the other one increases in a definite way? What is 22 percent off of 145 dollars? What is the name of the top fraction? What is the largest odd 4 digit number? What is the low power magnifacation of a microscope that has a 20 x ocular and two objectives of 10 x and 43 x respectively? Why are math skills essential for an automotive sales representative? What is the value of 2 in 62435? How many hours are there in the month of April? What are 2 solid figures that have 10 faces in all? What is 18 out of 100 written as a percent? How many degrees do you turn clockwise to go from NE to E? What is 45 divided by 99? What is continuous division of 8 and 12? How do you use your muscles? Is the sum of the interior angles of a convex polygon the same as a non-convex polygon? How many mintues are in a year? If the scale on a map is 1 inch equals 2 miles how many inches would it take to travel 12 miles? How many linear feet in a 9x12 foot wall?