Posted by derek on Friday, May 30, 2008 at 11:38pm.
if the measures of the angles of a triangle are represented by 2x, 3x15, and 7x+15, the triangle is
1)isosceles triangle
2)right triangle
3)acute triangle
4)equiangular triangle

math  drwls, Saturday, May 31, 2008 at 1:26am
This looks like a question posted earlier today, except in this case 7x + 15 has replaced 7x  15.
Add up all angles, set the sum equal to 180, and solve for x. Then compute the angles and decide what kind of triangle it is. This time it WILL be one of the 4 choices. Last time it wasn't. 
math  steph, Sunday, April 1, 2012 at 8:22pm
acute triangle