13
Area of any circle = (pi) x (radius)2Radius = 1/2 diameterArea of this circle = (pi) x (2 ft)2 = 4 pi square feet = 12.566 square feet (rounded)
There are 4 times 4 = 16 square feet
How big is a square foot
exact square footage please
Yes, the circle's diameter is not bigger than the square base length.
13 x 4 = 52 square feet
32 ft2
The area is 28 square feet.
14 x 4 = 56 square feet !
100 4/7
Area of a circle = pi x r squared (Circumference = 2 x Pi x r) So that's 3.142 x 4 x 4 feet 3.142 x16 =50.272 sq feet
12.56
Area of a circle with a 4 feet radius = 16*pi square feet
A board foot is one square foot by one inch thick or 4 quarters (4/4). If you were using something thicker, then the square footage provided would be proportionately less. I.e. 8/4 lumber would yield half the square footage but would be twice as thick (2"). So, using 4/4 lumber would mean 2000 board feet for the house assuming no waste.
The area of a circle is pi*(radius)^2. If the 8 ft is the diameter, the area is pi*(4 ft)^2~=50.27 ft^2 (ft^2 is square feet)
8 square feet
You need the height othe room also. Then you multiply 16x16 and then by 4 bc they are four walls in the room.