Question

How many square feet of outdoor carpet will we need for this hole?please need help​

Answer 1

Answer:

$63\ ft^2$

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

$A=A_2-A_1$

we have

$A_1=9\ ft^2$

$A_2=72\ ft^2$

substitute the given values

$A=72-9=63\ ft^2$