How to Calculate the Area of Trapezoids? (+FREE Worksheet!)
Picture a trapezoid like a slice of bread sitting on its short edge with the wider crust at the top. To find its area, you average the two parallel sides (the bases), then multiply that average by the height between them. In plain steps: add the two bases, multiply by the height, then divide by […]
How to Find the Volume and Surface Area of Rectangular Prisms? (+FREE Worksheet!)
A rectangular prism is the 3-D shape you encounter every day — think of a cereal box, a brick, or a room. It has six rectangular faces, three pairs of parallel and congruent faces, and all right-angle corners. On the GED Math test you need to know how to find its volume (interior space) and […]
