SO the suit cost $95 and it has a discount of 10% so 95*10/100=9.5 so 10% of 95 is 9.5 subtract 9.5 from 95 and that equals 85.5 then you have to add 4.5 percent sales tax so 85.5+ 4.5%= 89.347 So the final cost would be $89.34
If there is an equilateral triangle or just a triangle that the vertex and midpoint on the bottom segment line up, then a perpendicular bisector and altitude can be the same thing.