SOLUTION: The 3 angles of a triangle are (2x+5), (x-10) and 65. Find the size of each angle.

Algebra ->  Linear-equations -> SOLUTION: The 3 angles of a triangle are (2x+5), (x-10) and 65. Find the size of each angle.      Log On


   



Question 821429: The 3 angles of a triangle are (2x+5), (x-10) and 65. Find the size of each angle.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The 3 angles of a triangle are (2x+5), (x-10) and 65.
Find the size of each angle.
--------
The sum of the angles is 180.
2x+5 + x-10 + 65 = 180
3x + 60 = 180
3x = 120
x = 40
-----------
2x+5 = 2*40+5 = 85 degrees
-----
x-10 = 30 degrees
-----
65 = 65 degrees
=====================
Cheers,
Stan H.
=================