How to use Clay Bars: Clay Bars should always be used on freshly washed, clean surfaces. Dirt on the surface could cause scratches. Caution: Use only as directed and with an approved Clay Bar Lubricant to reduce friction between the Clay Bar and the vehicle's surface. Work on areas of about three square feet.
A trapezoid is a quadrilateral (has 4 sides) and has only one pair of sides parallel. How to determine the area of a trapezoid: Add the lengths of the 2 parallel sides divide by 2 to get the average length of the parallel sides.Multiply this by the height (distance between the parallel sides.Calculating the Area of a Trapezoid.ow to determine the area of a trapezoid: Add the lengths of the 2 parallel sides divide by 2 to get the average length of the parallel sides. Multiply this by the height (distance between the parallel sides. Calculating the Area of a Trapezoid.
1 Example: A trapezoid has a 3-cm base, 2-cm top, and two 1-cm slanted sides. 2  T = 2 centimeter (0.8 in), B = 3 centimeter (1.2 in), L = 1 centimeter (0.4 in), R = 1 centimeter (0.4 in). 3  P = T + B + L + R = 2 + 3 + 1 + 1 = 7 centimeter (2.8 in). 4  Final answer: The perimeter of the trapezoid is 7 centimeter (2.8 in).