Hello!
To find the side length you use the equation

a is side length
d is diagonal
Put in the number we know

Divide

Multiply
a = 19.091
The answer is 19.09
Hope this helps!
Answer:
Volume of the cone = 
Step-by-step explanation:
Height of the cone = 
Radius of the cone = 
Volume of a cone is:

As, 
Volume is:

The volume of the cone is: 
Radius= 33
Diameter = 66
Circumference = 207 yards
Area= 3,421 yards squared
Hope that helped :D
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Its 50. Because circumference is 314. Divide that by 3.14 and you get the diameter. Divide by another 2 and you get 50.