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X is not a length necessarily, it is merely a "placeholder" for another unknown number. It can also be used to substitute for an expression or it could refer to a line, or an agle, or... Just about anything...

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Q: What is the length of x?
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What happens the area and the perimeter of a rectangle if its length is doubled and bredth is not changed?

area = length x bredth new_area = (2 x length) x bredth = 2 x (length x bredth) = 2 x area → doubling the length, but leaving the bredth unchanged doubles the area. perimeter = 2 x (length + bredth) new_perinter = 2 x (2 x length + bredth) = 2 x (length + length + bredth) = 2 x length + 2 x (length + bredth) = 2 x length + perimeter → doubling the length, but leaving the bredth unchanged adds twice the original length (ie the new length of the rectange) to the perimter.


What is the volume of a rectangle prism?

length x width x height or length x breadth x height


What is the length of mn if mn is x 3?

It depends on the length of x.It depends on the length of x.It depends on the length of x.It depends on the length of x.


How do you find a volume of a cylinder?

The formula is: r2 x Pi x length (radius squared x 3.1416 x length). The result is expressed in cubic units.or this also worksdiameter x diameter x 0.7854 x length


How do you find width when volume height and length are given?

You really should know how to answer that question.Volume = (length) x (width) x (height) .Length = (volume) / (width x height)Width = (volume) / (length x height)Height = (volume) / (length x width)


Does the formula for volume is length x width?

Volume = Length x Width x Depth


What is formula for surface area of cube?

(length of side)2 X 6 [or (length of side) X (length of side) X 6]


How do you find the area and perimeter of a rectangle?

Perimeter: Add the length of the four sides. Area: Multiply length x width.


The dimension of power is?

[Power] = energy / time = force x length / time = mass x length/time2 x length/time= mass x length2/time3


Do you write Length x width or width x length?

It doesn't really matter, but most people usually write length x width.


What is the volume of a cube with an edge of 20cm long?

The volume of a cube (where all sides are equal length) is the length3. In other words length x length x length. Your answer is 20 x 20 x 20 = 8,000cm3


What is the formula to find volume in cubes?

The term cubic applies to cubes, cuboids, and other parallelograms, which have 3 dimensions - length, width, and height for example. To find the volume, multiply the length times the width times the height in any consistent units. The formula is L x W x H.