2006-08-27 02:13:12 · 6 answers · asked by davebarbp 1 in Home & Garden ➔ Do It Yourself (DIY)
If it is a 10 foot radio
314 sqft.
If it is a 10 foot diamenter
78.5 sqft
2006-08-27 02:21:39 · answer #1 · answered by Carlitos 3 · 0⤊ 1⤋
Area of a circle = pi x radius squared
circumference = 2 x pi x radius
radius = diameter/2
2006-08-28 03:51:18 · answer #2 · answered by Jeffrey S 6 · 0⤊ 0⤋
(1/2 x 10) squared x Pi
5 x 5 = 25 25 x 3.14
25 x 3.14 = 78.5 sq. '
2006-08-30 15:53:22 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Pi are round... corn bread are square
Pi * (radius * radius)
Pi * Rsquared
2006-08-30 12:33:52 · answer #4 · answered by Michael S 4 · 0⤊ 0⤋
pie x Rad. sq'd = 3.1417 x (5x5)=78.5425
2006-08-27 03:40:57 · answer #5 · answered by Matrix 3 · 1⤊ 0⤋
r ^2(3.14)= 78.5 sq ft
2006-08-27 02:19:46 · answer #6 · answered by roman_ninja 3 · 1⤊ 0⤋