If a cone and a cylinder have the same height and same radius, how many cones of sand will it take to fill the cylinder evenly to the top? (1 point)
2 cones of sand
3 cones of sand
4 cones of sand
5 cones of sand
11. A rectangular picture frame is 8 in. by 10 in. Inside the frame is a border around the picture, 2 in. on each side. What is the area of the picture inside the border? (1 point)
48 in.²
40 in.²
24 in.²
80 in²

Question

If a cone and a cylinder have the same height and same radius, how many cones of sand will it take to fill the cylinder evenly to the top?  (1 point)
2 cones of sand
3 cones of sand
4 cones of sand
5 cones of sand
11.   A rectangular picture frame is 8 in. by 10 in. Inside the frame is a border around the picture, 2 in. on each side. What is the area of the picture inside the border?  (1 point)
48 in.²
40 in.²
24 in.²
80 in²

anonymous · Answer

please i need help! @saiberz

anonymous · Answer

you know 
Vcyl = pi*r^2*h
Vcone = pi*r^2*h/3

It means you will need 3 cones to fill that cylinder because the volume of cyl is three times the volume of that cone

anonymous · Answer

i have no idea hahah Im helping my kid so i forgot all of this...

anonymous · Answer

and the second one
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