The triangle ABC is such that its area is (9+√3) cm², the length of AB is (√3+1) cm and angle BAC is 60°. Without using a calculator, find an expression, in cm², for BC²in the form c+d√3, where c and d are integers.

The triangle ABC is such that its area is 93 cm the length of AB is 31 cm and angle BAC is 60 Without using a calculator find an expression in cm for BCin the f class=