Darren cut along a diagonal line across a sheet of paper to make a triangle. The paper was 10 inches long and 8 inches wide. What is the area of the triangle he created?

Step-by-step explanation:

The initial dimensions of the paper are:

(length)

(width)

After the paper is cut along the diagonal, we remain with a right triangle, of which the length and the width corresponds to the base and the height.

For a triangle, the area is calculated as

where

b is the base

h is the height

Here we have:

Therefore, the area of the triangle is: