Answer:
The circle's area is 153.93804 feet^2
Explanation:
The formula for the area of a circle is

Using this formula, input the number 7 in for "r" and solve:
a = pi ( 7 )^2
a = pi ( 49 )
a = 153.93804 feet^2
The area of the circle is 153.93804 feet^2. Round the number to the specified decimal point.