Width = 15. What is the length of the rectangle if the perimeter is 102 cm?

Question

Justice Walter

Mathematics

5 November, 20:43

Width = 15. What is the length of the rectangle if the perimeter is 102 cm?

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Bo Porter · Answer 1

Well we know that on a rectangle, there are two widths and two lengths. We have one of the widths, and can assume the other is the same, so 15+15=30. Then, subtract 30 from the perimeter to get both of your lengths. 102-30=72. Now divide by two to get one of your lengths. 72/2 = 36. Your length is 36.