Easy, 360!
4 x 90
2 x 180 = 4 x 90.
3 x 90 equals 270.
24 x 3.75 = 90
Cos(90 - x) = sin(x) so cos2(90 - x) = sin2(x)
Tan(90) is an infinitely large number, and unresolved.
90 x 10 = 900
90 x 90 = 8,100
X + 35 = 90, therefore X = 90 - 35, so X = 55.
x would equal sqrt 90 or sqrt 9 x sqrt 10 = 3 root 10
60 multiplied by 90 is 5,400.
6 x 15 = 90