Let the side of square be <em>s</em> and the length and breadth or width of the rectangle be <em>l </em>and <em>b </em>respectively. (Also, keep in mind that when I am using the * symbol, it stands for multiplication)
s = b + 1
l = 2b - 1
Perimeter of rectangle = 2(l+b) = 2(2b-1+b) = 2(3b-1) = 6b - 2
Perimeter of square = 4(b+1) = 4b + 4
6b - 2 = 4b + 4
6b - 4b = 4 + 2
2b = 6
b = 6/2 = 3 cm
l = (3*2) - 1 = 6 - 1 = 5 cm
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Excel formulas are expressions used to perform computation.
The formula in Excel is: =($B$6 - $B$5 - $B$7)* $B$8
<h3>How to determine the formula</h3>
From the question, we are to:
- Subtract B5 and B7 from B6
- Use absolute style referencing
To use the absolute reference in Excel cells, we have to include the dollar "$" sign.
This means that: a cell A1 will be written as: $A$1;
So, the formula to enter in cell B13 is:
=($B$6 - $B$5 - $B$7)* $B$8
Read more about Excel formulas at:
brainly.com/question/14820723
