Query about question "Identical triangles $ABC$ and $ADF$..." [1302]

[user6851]

https://www.gregmat.com/problems/quant?problem=identical-triangles-abc-and-adf why can’t you use trapezoid formula?

[Kweku]

If you are talking about A = \frac{a + b}{2} \cdot h for the trapezoid, then yes, you can.

You get the same answer. That is how I did.