The floor are is 429 in².
Since the floor has a shape of triangle, we need to use the formula:
Area-1/2base x height
Given:
base = 26 in, and height = 33 in.
SOlution:The area of triangle = 0.5 * base * height = 0.5 * 26 * 33 = 429 in²
The area of the floor = 429 in²