7/9 - 2/3
a circle with a radius of 5 inches is circumscribed about the regular polygon with 6 sides
2$t^{2}$+2 $\sqrt{\3}$t-3
2$t^{2}$+2 $\sqrt{\3}$-3
2x+7y=49x+6y
2t $a^{2}$+2 $\sqrt{\3}$-3
10t^2 + 10 $\sqrt{\3}$ - 15 factorize
10!
