Question 1047644
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Hi,
     *[illustration rectangle.png].
L is 10 meters more than three times its width.
P = 2L + 2w
60m = 2(3w+10) + 2w
40 = 8w
w = 5m  and L = 25m
AND checking the Perimeter
10m + 50m = 60m CHECKS!