Question

Find the length of the diameter of a sphere with a surface area of 1890.56 cm^2.
21.5 cm
24.54 cm
24.27 cm
12.27 cm

Answer 1

1890.56 / 4 = 472.64 / pi = 150.4459846
square root of 150.4459846 = 12.26564245 = radius
12.26564245 x 2= 24.53128489 
the answer is number 2