Ask Question
16 October, 01:00

The width of a rectangle is 15 cm less than the length. the perimeter is 78 cm. find the rectangle's dimensions

+4
Answers (1)
  1. 16 October, 01:12
    0
    Length (L) : L

    width (w) : L - 15

    Perimeter (P) = 2L + 2w

    78 = 2 (L) + 2 (L - 15)

    78 = 2L + 2L - 30

    78 = 4L - 30

    108 = 4L

    27 = L

    width (w) : L - 15 = 27 - 15 = 12

    Answer: width = 12 cm, length = 27 cm
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “The width of a rectangle is 15 cm less than the length. the perimeter is 78 cm. find the rectangle's dimensions ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers