Area of a Trapezoid Formula Proof

In this video, we will prove the formula for the area of a trapezoid.

[spinbulle]

This was a quality video, it should gain more attention.

[iamthecringemaster]

i just split it into 2 halves, 2 triangles, then use the formula which gives (bh+ah)/2 and then factor out the h on the top to give the formula

[TapanKumar-ze]

How area of a quadrilateral can be determined when its four sides are given?

[lolerishype]

There is a flaw in your proof: You only proved a trapezoid with right triangles on both of the legs. You have not proven an irregular trapazoid