Answer:
17 is the answer
Step-by-step explanation:
-7 + 6 = -1
-1 + 6 = 5
5 + 6 = 11
11 + 6 = 17
In this item, it is assumed that since the pattern is cut out of the paper which is usually a rectangle then, the shape of the pattern is also rectangle. The perimeter of the rectangle is,
P = 2L + 2W
The area is equal to,
Area = L x W
If we assume that length and width are equal, in order to maximize the space.
1600 cm² = L x L
The value of L from the equation is 40 cm.
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