9 times the square root of 5
5sqrt(405) = 5sqrt(815) = 5sqrt(81)sqrt(5) = 59sqrt(5) = 45sqrt(5)
The area of Itapetim is 405 square kilometers.
Numismedia quotes a market value of $405 as of 04/2009
1 cubic yard = 27 cubic feet15 cubic yards = 405 cubic feetVolume = (L x W x D) = 405 cubic feetIf D = 1 foot, then (L x W) = 405 square feet
sin(405) = square root of 2 divided by 2 which is about 0.7071067812
81 is the square root of 405. (81 x 5 = 405.)
±20.12461179749811
9 times the square root of 5
4.486
5sqrt(405) = 5sqrt(815) = 5sqrt(81)sqrt(5) = 59sqrt(5) = 45sqrt(5)
GM of two numbers is the square root of their product, in this case sqrt 2025 ie 45.
The perimeter of a rectangle cannot be calculated by just knowing the area unless the rectangle is a square. In which case the perimeter will be 4 x square root of the area.
Best option is to use a calculator. Failing that, use the Newton-Raphson method which entails making a guess at the answer and then improving on it. Repeating the procedure should lead to a better estimate at each stage. To start with, if you want to find the square root of 405, define f(x) = x2 - 405. Then finding the square root of 405 is equivalent to solving f(x) = 0. Let f'(x) = 2x. This is the derivative of f(x) but you do not need to know that to use the N-R method. Start with x0 as the first guess. Then let xn+1 = xn - f(xn)/f'(xn) for n = 0, 1, 2, … After a few iterations, xn will be very close to the required square root. If you start with 20, whose square is 400, the second iteration gives a result that is accurate to 8 decimal places.
405
The area of Bagwai is 405 square kilometers.
The area of Dnipropetrovsk is 405 square kilometers.