SOLUTION: find the area of a triangle with sides of length 7 and 9 and included angle of 72 degress

Algebra ->  Triangles -> SOLUTION: find the area of a triangle with sides of length 7 and 9 and included angle of 72 degress      Log On


   

Question 291034: find the area of a triangle with sides of length 7 and 9 and included angle of 72 degress
Answer by Greenfinch(383) About Me  (Show Source):
You can put this solution on YOUR website!
Area of triangle is =( a x b sin C)/2
In this case = 7 x 9 x sin 72 /2 = 29.958