Answer:
[tex]63\ ft^2[/tex]
Step-by-step explanation:
we know that
To find out how many square feet of outdoor carpet will we need for this hole, subtract the area of the triangle from the area of the rectangle
so
[tex]A=A_2-A_1[/tex]
we have
[tex]A_1=9\ ft^2[/tex]
[tex]A_2=72\ ft^2[/tex]
substitute the given values
[tex]A=72-9=63\ ft^2[/tex]
