The width of the rectangle is b dm. The width is 0.2 of its length. Find the Perimeter of the Rectangle. (B = 2.05)
| November 29, 2020 | education
In a rectangle, let’s take the width as b, then the length will be b / 0.2.
Let’s use the rectangle perimeter formula: P = 2 * (a + b)
P = 2 * (b + b / 0.2) = 2b + b / 0.1
Substitute b = 2.05:
P = 2b + b / 0.1 = 2 * 2.05 + 2.05 / 0.1 = 4.1 + 20.5 = 24.6
Answer: 24.6
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