Perimeter of triangle ABC = 15. what is the area of triangle?
1) BC = 7
2) Angle ABC = 70 degree.
C) - (two equations - 1 We can use Cosine rule to find the two sides AND
2 a+b=15-7=8;
OA C
Source - MGMAT
1) BC = 7
2) Angle ABC = 70 degree.
C) - (two equations - 1 We can use Cosine rule to find the two sides AND
2 a+b=15-7=8;
OA C
Source - MGMAT
