$CATEGORY: M/14. How Big? How Heavy?

//Multiple Choice(10)

What is the formula for the volume of a cuboid?
{
~ l×b+h
~ l+b+h
= l×b×h
~ 2(l×b+b×h+h×l)
}

What is the formula for the surface area of a cube?
{
= \(6a^2\)
~ \(4a^2\)
~ \(a^3\)
~ \(2a^2\)
}

If the side of a cube is 5 cm, what is its volume?
{
= \(125 cm^3\)
~ \(150 cm^3\)
~ \(25 cm^3\)
~ \(75 cm^3\)
}

The length of a cuboid is 10 cm, its breadth is 4 cm, and height is 3 cm. What is its surface area?
{
~ \(52 cm^2\)
~ \(94 cm^2\)
~ \(148 cm^2\)
= \(164 cm^2\)
}

The number of edges in a cuboid is:
{
~ 6
= 12
~ 8
~ 4
}

If the side of a cube is doubled, how many times will its volume increase?
{
~ 2 times
~ 4 times
~ 6 times
= 8 times
}

Which of these is not a property of a cube?
{
~ All faces are equal squares.
~ All edges are equal.
= Opposite faces are rectangular.
~ All angles are right angles.
}


//True or False(10)

All edges of a cuboid are of equal length. {F}

The volume of a cube with side 1 unit is 1 cubic unit. {T}

A cube has 12 edges. {T}

The surface area of a cuboid depends on its length, breadth, and height. {T}

The formula for the volume of a cube is \(4a^3\). {F}

A cuboid can have square-shaped faces. {T}

If the length, breadth, and height of a cuboid are equal, it becomes a cube. {T}

//Fill in the blanks (10)

The volume of a cube is given by the formula _________
{
= \(a^3\)
}

A cuboid has _________ faces.
{
= 6
}

The total surface area of a cuboid is _________
{
= 2(l×b+b×h+h×l)
}

A cube has __________ vertices.
{
= 8
}

If the height of a cuboid is 0, it becomes a _________
{
= Rectangle
}

The diagonal of a cube is given by the formula _________
{
= \(a√3\)
}

The unit of volume is measured in _________
{
= Cubic units
}

//******** END **********
