Answer:
The widht is 2
Step-by-step explanation:
First you Assume that the height is the height of the triangle and the length is the base of the triangle, than you do the work.
V=1/2 • b • h • w
3.5=1/2• 2.5 • 1.4 • w
3.5=1.25 • 1.4) • w
3.5=1.75*w
w= 3.5 ÷ 1.75
w=2
