For the ΔABC, AB = 6 cm, BC = x cm, AC = 3 cm and ∠B = 30∘. If the area of the triangle ABC is 7.8 cm2, then find the semi perimeter of the triangle.
1
7.1 cm
2
8.1 cm
3
7.2 cm
4
9.1 cm
For the ΔABC, AB = 6 cm, BC = x cm, AC = 3 cm and ∠B = 30∘. If the area of the triangle ABC is 7.8 cm2, then find the semi perimeter of the triangle.