Answer:
A=36 ft²
Step-by-step explanation:
the formula for the area of a triangle is given as (b*h)/2, where b is the base and h is the height
we are given the a height of 3 and a base of 24
so we can plug what we know into the formula
A=(3*24)/2
multiply
A=72/2
divide
A=36 ft²
hope this helps!