Answer:
The diameter of a circle with an area of 804.25 cm is 32 cm
Step-by-step explanation:
We know that formula for area of circle is:
Area of Circle = πr^2
804.25 = 3.14 * r^2
=> r^2 = 804.25 / 3.14
r^2 = 256.13
Taking square root on both sides
√r^2 = √256.13
r = 16.0
and r is half of diameter i.e
r = diameter / 2
=> diameter = 2r
so, diameter = 2 * 16
diameter = 32 cm
So, the diameter of a circle with an area of 804.25 cm is 32 cm.
