Volume: The volume of an object is the measure of the space it occupies.
Volume of Cube: We know that a cube is a special type of a cuboid whose length,breadth and height are all equal. So, the volume V of a cube of edge l is given by
Illustration: The volume of a cube is .Find its total surface area.
Solution: Let the length of each edge of the cube be "a" cm.
Then,
Hence, side of cube = 10cm
as we know that, surface area of cube
Hence, surface area of cube
Illustration: A solid cube of side 12 cm is cut into 8 cubes of equal volume. What will be the side of the new cube?
Solution: Let the length of the side of new cube be x cm. Then,
Volume of 8 cubes each of side x cm = Volume of solid cube of side 12 cm
As we know that volume of cube =
So, we have
Hence side of the new cube is 6 cm.
Volume of cube whose edge measures 5.8 cm is ______________. | |||
Right Option : C | |||
View Explanation |
The edge of a cube of volume 512 is _______________ | |||
Right Option : B | |||
View Explanation |
The volume of a cubical box is 343 cc. Its lateral surface area is equal to _______________ | |||
Right Option : C | |||
View Explanation |
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Abhyas institute is one of the best coaching institute in the vicinity of Ambala cantt.The institute provides good and quality education to the students.The teachers are well experienced and are very helpful in solving the problems. The major advantages of the institute is extra classes for weak...
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