A trapezoid can be divided into a rectangle and two triangles. Show that the area formula for a trapezoid gives the same result as the sum of the areas of the rectangle and triangles.
A trapezoid can be divided into a rectangle and two triangles. Show that the area formula for a trapezoid gives the same result as the sum of the areas of the rectangle and triangles.
Area of a trapezoid ...
using the sketch where , write the area as the sum of the areas of the rectangles and the two triangles ... then perform some algebra to make it look like the trapezoid area equation.