Given:
2w + 2l = 34
l = w + 2
Then:
2w + 2(w + 2) = 34
4w = 30
w = 7.5
l = 9.5
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Perimeter of a rectangle = twice (length + width), in this case 22 m.
12 meters
To calculate the perimeter of a rectangle one adds twice the width and twice the length... in this case (2 x 3 metres) + (2 x 7 metres) = 6 metres + 14 metres = 20 metres.
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.