How many square shingles for 16'x20' roof?

What statement best compares a line and a point? What are the logo commands to draw a 6 pointed star? What has four sides but none of them are equal? How many square acres in Germany? How many degrees are there in a null angle? If a 45-45-90 triangle has a hypotenuse of length 11 What is the length of one of its legs? Is a screw an example of an inclined plane? Square hot tub is outlined by 2ft wide tile border overhead view the hot tub and border add to 144 sq ft what is the length of one side of the hot tub itself? Area of a shaded region formula? How would you Write an equation that passes through the point 6 5 and is parallel to the line whose equation is 2x 3y equals 11? How much degrees are in a octagon? What is 10.000m2 in acres? What is an issue that may not be agreed upon by many different sides is called what? What is a centimeter cubes? What is the relation between radius and chord length of circle? What is the standard per square feet rate of 19mm ply used for home furniture? Is a triangle geometric or organic shape? How many parallel lines does a right angled triangle have? What is name for either of a pair of rollers fitted to the sides of a loom to keep the cloth stretched? Are contour lines always parallel?