The length and width of the rectangle is 21 meters and 7 meters respectively.
"A rectangle is a quadrilateral with four right angles. It can also be defined as an equiangular quadrilateral, since equiangular means that all of its angles are equal."
Given, the rectangular room has a length which is 3 times of it's width.
The perimeter of the room is 56 meters.
Let, the width of the room is x.
Therefore, the length of the room is is 3x.
Now, the perimeter of of the room is = 2(3x + x).
Here, 2(3x + x) = 56
⇒ 2 × 4x = 56
⇒ 8x = 56
⇒ x = 7.
Therefore, the width of the room is 7 meters.
Length of the room is
= 7 × 3 meters
= 21 meters
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