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What is the value of R in R squared -16 equals 0?
R2 - 16 = 0 R2 = 16 Take the square root of each side to get rid of the square on R. R = 4
What is the R value of a bale of straw?
Regular straw would not be safe to use as insulation. . .there are places that sell treated straw though, and they would have to tell you the r-value
Area of a circle is 36 square centimeters what is the circumference of the circle?
The area of a circle with radius r is pi*r*r and its circumference is 2*pi*r Use the first to find r and then use that value of r in the second to find the circumference.
What is the square footage of a 23 Inch circle?
Area of circle = pi x r x r where r is the radius. You do not specify if 23 inch is the diameter or radius of the circle. Anyway pi = 3.1415 so plug in the value of the radius in the formula above and you will get the area in square inches. Then divide that by 144 to get area in square feet.
How do you get the square footage of a radius?
The square footage of a radius is meaningless, but if you mean the square footage of a circle of radius say R, the answer is 3.142 x R x R
