SOLUTION: if the measures of the angles of a triangle have the ratio 2 : 7 : 9, is the triangle acute, right, or obtuse? show all work while solving

Algebra ->  Triangles -> SOLUTION: if the measures of the angles of a triangle have the ratio 2 : 7 : 9, is the triangle acute, right, or obtuse? show all work while solving      Log On


   



Question 848770: if the measures of the angles of a triangle have the ratio 2 : 7 : 9, is the triangle acute, right, or obtuse? show all work while solving
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
2x+7x+9x=18x
180/18=10
20,70,90
right triangle