Answer:
1 ) alternate interior angle
2) corresponding part of congruent triangle
3) vertically opposite angle
4)∆HED congruent to ∆FEG
5) parallel lines and alternate interior angle
136×25%=136×25/100= 3 400/100=34
so the markeup value is
136+34= 170
170×17%=170×17/100=2 890/100=28.9
170-28.9=141.1
Selling price=136+170=306
Y = 4x
(-2,y).....x = -2
y = 4(-2)
y = -8
The length will be 3 because of the altitude