The width of w is 0.90 cm.
Find the length of the sides:
The first step to solve this problem is to find how long is each side. About this, we know one side is 8 1/2 cm or 8.5 but the other side is not exactly given (4cm + w + 2/3 w). To determine the length of this size, use the area formula:
- A = side a x side b
- Side b = A / side a
- Side b = 46.75 / 8.5
- Side b 5.5
Find the length of w:
The total length of the side - known side
This means w + 2/3 w (0.66 w) is equal to 1.5
Find w:
- w + 2/3 w = 1.5
- w + 0.66w = 1.5
- 1.66 w = 1.5
- w = 1.5/ 1.66
- w = 0.90 cm
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