# Math

posted by .

using the expression area of a circle = 3.14r^2 detemine how much of the floor in Barbara's room will be covered by a rug with a diameter of 8 ft.
I know the answer is 50.24 ft but I wasn't sure if I'm supposed to write it as 50.24 ft. or 50.24 ft^2
thanks....

• Math -

50.24 ft^2

Area is always expressed in square units.

## Similar Questions

1. ### Algebra 2

Abey Numkena is an interior designer. She has been asked to locate an oriental rug for a new corporate office. As a rule, the rug should cover 1/2 of the total floor area with a uniform width surrounding the rug. a. if the dimensions …

The legnth of a rectangular floor is 2 feet more than it's width. The area of the floor is 168 square feet. Kim wants to use a rug in the middle of the room and leave a 2 foot border of the floor visible on all sides. What should the …
3. ### johnson

The length of a rectangular floor is 2 feet more than its width. The area of the floor is 168 square feet. Kim wants to use a rug in the middle of the room and leave a 2 foot border of the floor visible on all sides. What should the …
4. ### Math

The circular rug is placed on a square floor. The rug touches all four walls. How much of the floor space is not covered by the rug?
5. ### algebra

length of rectantular rug is 7/6 its width. rug is placed on floor with 1 foot margin all around. area of floor is 4 times that of margin. find the dimensions of the room.
6. ### maths

A rug covers 1/4 of the floor. The area of the rug 10ft . What is the area of the floor?
7. ### Precalculus

Abey Numkena is an interior designer. She has been asked to locate an oriental rug for the new corporate office. As a rule, the rug should cover 1/2 of the total floor area with a uniform width surrounding the rug. a) If the dimensions …
8. ### Algebra 2

The area of a dining room is 160 square feet. a rectangular rug placed in the center of the room is twice as long as it is wide. If the rug is bordered by feet of hardwood floor on all sides, find the dimensions of the rug.
9. ### Math

A throw rug is 8 feet long and 4 feet wide it is a rectangular room with an area of 100 square feet how much of the room is not covered by the rug
10. ### math

Ashley bought a circular rug for her room. the rug has a diameter of 9 feet. Her room is rectangular-shaped and measures 12 feet by 18 feet. about how much of Ashley's room will not be covered by the circular rug?

More Similar Questions