With more than 300 days of sunshine every year, the odds that weather in Las Vegas will be good to you are in your favor. more... That's more sunshine, more pool time, more golf time and more sightseeing. When you're socked in with snow, we're enjoying mild days with a light jacket and a smile.
The small black diamonds, or triangles (diamonds are more commonly found), on the top scale of the tape measure starting at 19.2 inches are for truss layouts for 8-foot sheet goods. They are also known as the black truss markings. They provide a quick visual for the tape user and speed up the measuring process.
The formula for the area of a circle is the radius squared multiplied by the constant pi, or 3.14159. Many calculators include the constant pi on one key, eliminating the need to remember it. Measure the diameter of the circular area in feet using the tape measure. The diameter is a straight line that passes through the center of a circle. For example, assume the diameter of the circular area to be 12 feet.