How do I work out the area? Submitted by Nerrkolas on Mon, 11/30/2015 - 13:45 Log in to post comments Re: How do I work out the area? Nerrkolas Mon, 11/30/2015 - 13:45 of the shaded area sorry Log in to post comments Re: How do I work out the area? Jhun Vert Tue, 12/01/2015 - 09:10 If R = radius of outer circle and r = radius of inner circle, the shaded area can be fround by $A = \frac{1}{4}\pi (R^2 - r^2)$, assuming R and r are given directly or indirectly. Log in to post comments
Re: How do I work out the area? Nerrkolas Mon, 11/30/2015 - 13:45 of the shaded area sorry Log in to post comments
Re: How do I work out the area? Jhun Vert Tue, 12/01/2015 - 09:10 If R = radius of outer circle and r = radius of inner circle, the shaded area can be fround by $A = \frac{1}{4}\pi (R^2 - r^2)$, assuming R and r are given directly or indirectly. Log in to post comments
Re: How do I work out the area?
of the shaded area sorry
Re: How do I work out the area?
If R = radius of outer circle and r = radius of inner circle, the shaded area can be fround by $A = \frac{1}{4}\pi (R^2 - r^2)$, assuming R and r are given directly or indirectly.