Sine of 225 degrees = - 0.5 sqrt(2)
Length is sqrt 225 = 15
Sqrt(x-3) or even sqrt(x)-3 cannot be simplified. And without the value of x, they cannnot be evaluated.
By Pythagoras, the distance is sqrt(152 + 162) feet = sqrt(225 + 256) = sqrt((481) = 21.9 feet, approx.
15252 - 202 = 225 and sqrt 225 = 15
Sin(-225) = 0.7071 ... = 1/sqrt(2) = sqrt(2) / 2
Sine of 225 degrees = - 0.5 sqrt(2)
n= sqrt 225 = 15
[-sqrt(2), -sqrt(2)]
sqrt(225) = ±15
The ratio is sqrt(36) : sqrt(225) which is 6 : 15 or 2 : 5
Length is sqrt 225 = 15
Sqrt(x-3) or even sqrt(x)-3 cannot be simplified. And without the value of x, they cannnot be evaluated.
3*sqrt(45) + 7*sqrt(36) = 3*sqrt(9*5) + 7*sqrt(9*4) = 3*sqrt(9)*sqrt(5) + 7*sqrt(9)*sqrt(4) = 3*3*sqrt(5) + 7*3*2 = 9*sqrt(5) + 42 This cannot be simplified further, but it can be evaluated as 62.12461..
By Pythagoras, the distance is sqrt(152 + 162) feet = sqrt(225 + 256) = sqrt((481) = 21.9 feet, approx.
15252 - 202 = 225 and sqrt 225 = 15
The distance is sqrt{[3 - (-6)]2 + [8 - (-4)]2} = sqrt{[9]2 + [12]2} = sqrt{81 + 144} = sqrt(225) = 15.