Answer:
9 inches^2
Step-by-step explanation:
Since a square has the same side lenghts the formula is
A=s*s
A=3*3
A=9
First we need to find out the time it took for the truck to reach town B.
Now, because the van left 1.5 hours earlier and reached the destination 2.5 hours before, it took 1 hour less the the truck to arrive.
which is the time it took for the van to arrive.
Now we use the speed equation again to work out speed.
= speed of van
Hope this helped :)
The measure angle ECF equals 32°.
R=square root of volume divided by pi multiply height.
Hope this helps and answers your problem!!!!