Answer:
884cm^2
Step-by-step explanation:
top triangle area=21*24/2=252
central triangle area=16*24/2=192
left n right triangle area (each)=22*20/2=220
total area of wood needed=252+192+220+220
=884cm^2
Answer: 456 inches cubed
Step-by-step explanation:
Volume is the area of the base multiplied by the height so you have to do 38 times 12 to get 456.
There is 4 significant figures
Answer:
b, 5=3
Step-by-step explanation:
Answer:
1.14 s
Step-by-step explanation:
Time, 
Here, d is the distance and s is the speed/velocity
Since we're given the velocity, s as 28 ft/s and the distance between the position of the rocket and ground as 32 ft then

Therefore, it needs 1.14 seconds