Area = pi*4.12 = 52.81017251 or about 53 square cm
The diameter of any circle is twice the radius. Hence, for this particular circle, the diameter is 106.
The circumference of a circle when the diameter is 17 inches is: 53 inches.
C = ~166.5 inches.
The formula for this is pi x r2, where r = radius, and pi is 22/7 or whatever approximation you use. Your R is 1/2 of 106 = 53 inch. so the area of your circle is pi x r2 = pi x (53) x 53. The math I'll leave up to you.
The surface area is 51,616.5 square units.
It is: 4/3*pi*53 = 523.599 cubic inches rounded to three decimal places
53 inches = 53 inches.
Volume = 4/3*pi*53 = 523.5987756 or about 524 cubic inches.
It is: 4/3*pi*53 = 523.599 cubic inches rounded to three decimal places
i have no idea so someone please help !!
Volume = 4/3*pi*53 = 523.599 cubic inches rounded to 3 d.p.