Then apply the formula above or use our area of a trapezoid calculator online to save time and have a higher chance that the result is error-free (bad input will certainly result in bad output). Area of a trapezoid is found with the formula, A (a+b)h/2. Measure the height and make the necessary metric conversions until all three lengths are in the same units. Then, build the height using a right angle with a tip at any of the bases and using that base as one of its arms. If you're trying to find the surface area of a triangular prism, use the formula SA 2a + ph, where a is the area of the triangle, p is the perimeter, and h is the height. The 3D Trapezoidal Shape calculator computes the volume, surface area and edge lengths of a trapezoidal shape based on the dimensions: INSTRUCTIONS: Choose units and enter the following: (a) Width of Top (b) Length of Top (A) Width of Bottom (B) Length of Bottom (h) Height between Top and Bottom Trapezoid Volume (V): The calculator returns the volume in cubic meters, the surface area in square. To make the calculation, first, measure the two bases. To find surface area for a rectangular prism, use the formula SA 2ab + 2bc + 2ac, where a is the width, b is the height, and c is the length. Step 3: Now solve the equation for 'Base Area by simplifying the equations'. Step 2: Substitute the given values in the formula S (2 × Base Area) + (Base perimeter × height) where 'S' is the surface area of the prism. If you measured in centimeters, the result will be in square centimeters, and so on for square inches, yards, miles, as well as square meters, kilometers. Step 1: Write the given dimensions of the prism. So, if you measured in feet, the result will be in square feet. The result is always in the length unit used - but squared. In order to use our area of a trapezoid calculator, you need to take three measurements, all in the same units (convert as necessary). The calculation essentially relies on the fact a trapezoid's area can be equated to that of a rectangle: (base 1 + base 2) / 2 is actually the width of a rectangle with an equivalent area. Simplify the number as much as you can and label it with square units. Put the base lengths and the height into the formula A (b 1 +b 2 )h to find the area of the trapezoid. The formula for the area of a trapezoid is (base 1 + base 2) / 2 x height, as seen in the figure below: Plug the base lengths and height into the area formula and simplify it.
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