The area of a tringalular sail is given by the expression 1/2bh, where b is the length of the base and h is the height. what is the area of a tringular sail in a model sailboat when b=12 inches and h=7 inches?

Answer 1

I don't understand why you posted this.
You know the formula.
You have the numbers, so just evaluate the area.

Answer 2

A=42 inches squared.