Ask Question
6 July, 14:03

The length of a certain rectangle is 15cm more than three times its width. If the perimeter of the rectangle is 94cm, what is the area.

+5
Answers (1)
  1. 6 July, 15:21
    0
    Step-by-step explanation:

    Let w be the width

    Length = 3w + 15

    Perimeter = 94 cm

    2 * (length + width) = 94

    2 * (3w+15 + w) = 94

    2 * (4w + 15) = 94

    4w + 15 = 94/2

    4w + 15 = 47

    4w = 47 - 15

    4w = 32

    w = 32/4

    w = 8 cm

    Length = 3w + 15 = 3*8 + 15 = 24 + 15 = 39

    Length = 39cm

    Area = length * width = 39*8 = 312

    Area = 312 cm²
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “The length of a certain rectangle is 15cm more than three times its width. If the perimeter of the rectangle is 94cm, what is the area. ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers