Let the length be 2x+8 and the width be x:
2(2x+8+x) = 64
4x+16+2x = 64
6x = 64-16
6x = 48
x = 8
Therefore: length = 24m and width = 8m
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If you increase the rectangle's length by a value, its perimeter increases by twice that value. If you increase the rectangle's width by a value, its perimeter increases by twice that value. (A rectangle is defined by its length and width, and opposite sides of a rectangle are the same length. The lines always meet at their endpoints at 90° angles.)
The dimensions of the rectangle are 21 units by 9 units
4cm by 13cm
The perimeter of a rectangle is twice the sum of the width and length: perimeter = 2 x (4.6in + 12.1 in) = 33.4 in
Area is length times width, perimeter is twice the sum of length and breadth.