hitunglah luas segitiga jika a=45° ; b=24cm ; c=11cm?

[tex]L_{segitiga} = \frac{1}{2} \times bc \sin(a) \\ = \frac{1}{2} \times 24 \times 11 \times \sin(45^{o} ) \\ = 12 \times 11 \times \frac{1}{2} \sqrt{2} \\ = 66 \sqrt{2} [/tex]