The volume of a cube is 125 cubic inches
The volume of a cube is 125 cubic inches
The volume of a cube is 125 cubic inches. Find the surface area.
I know that the volume formula is V=Bh where v=volume, B=area of the base, and h=height. How do I get the surface area though?
Also, The surface area of a cube is 384 square cm. Find the volume.
I think it’s basically the same problem. So far, I know 384=Ph+2B, the surface area formula. I don’t know how to find the variables though.
The surface area of a cube is 6a^2 a = the length of a side. It’s the area of the 6 squares that cover it.
The volume of a cube is the length of one side cubed.
So let’s look at the first example.
125 cubic inches = volume Let’s find the length of one side. The cube root of 125 is 5.
So one side is 5″ long. So you have 6(5^2)
Multiply it out and see what you get
Can you use those formulas above and different information to figure out the second question?
Think it through rather than rely too much on ‘formulas’ In a regular cube all sides are equal and all faces are squares.
first of all if the volume is 125, then each side must be 5 (5x5x5 = 125)
Aren’t there 6 faces, each a square 5 by 5?? so the area of each face is 25 square cm, there are 6 of them so.. the total surface area is 150 cm^2
In the second part, reverse your steps.
384 is the area of all six faces, so each one is 64 ………
how do you draw a picture with cubes and then have the volume of the pictures
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