Answer:
volume = 108
Step-by-step explanation:
simple: volume = base x height
9 x 12 = 108
Yes you are right. Notice how the midpoint also create another triangle, a lot of geometry is symmetry
20 greater than or equal to X less than or equal to 60
20 _
So
1/2x+2=2/3x
convert to common fraction
1/2=3/6
2/3=4/6
3/6x+2=4/6x
subtract 3/6x from both sides
2=1/6x
multiply boh tisdes by 6
12=x
the tank can hold 12 gallon
