What the heck is so regular about a regular polygon? Above is a regular nonagon inscribed within a circle. The shaded region has an area of 2874.296608 square meters. Find circumference C of the ...

Scalene triangle ABC is inscribed within a circle. Side AB has a length of x² + 2 Side BC has a length of 8x − 3 Side AC has a length of 7x + 3 Triangle ABC has an area of 1170 cubic units. Find the ...