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Volume word problem: gold ring

See if you can find the incremental volume of a ring in cubic inches. You'll need to put to use your knowledge of how to measure volume. Created by Sal Khan.

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• At , How come the inches in the water increase?
• the ring's volume is 1.5, so it displaces the water so it stays even, Because atoms cant go inside of each other...
• Wouldn't the volume of the ring be just 0.25 cubic inches? as the ring does not have a length of 3 inches and width of 2 inches?
• why would the water move up that amount if there is a hole in the center of the ring? Wouldn't that hole fill up and change the amount of space the water takes up?
• We are interested in the volume of the "gold". The hole in the ring fills up with water but the gold doesn't. So the water displaced by the ring is the volume of the gold
• how do you find the area of a square.
• Width squared.
Think of it like a line 3 inches long 3 times, as an example.
• so you can know the ring's volume just like khan said at ?
• how to find area of box
(1 vote)
• A box is a 3D object, so you can either find the volume or the surface area, but there is no such thing as area of a 3D object.