Saved Bookmarks
| 1. |
Find the angles of the triangle whose sides arex + y - 4 = 0, 2x + y - 6 = 0 and 5x + 3y - 15 = 0. |
|
Answer» Step-by-step explanation: 1) X+y-4=0 2) 2x+y-6=0 3) 5X+3y-15=0 By solving 1 and 2 2x+y-6=0 x + (x + y) = 6 x + 4= 6 x = -2 & y = 4-x = 6 By solving 2 and 3 2x+y-6=0 Or 6x +3y -18 = 0 5x+3y-15=0 x =3 & y = 0 Again, solving 1 and 3 x + y = 4 or 5x + 5y = 20 5x+3y=15 y = 2.5 x = 1.5 |
|