The sides of a triangle in cm, are , x , 2x – 5 and 2x – 3 . The perimeter of the triangle is 32 cm . i) Write down an equation for x

Question

The sides of a triangle in cm, are , x , 2x – 5 and 2x – 3 . The perimeter of the triangle is 32 cm . i) Write down an equation for x

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Thành Công 3 years 2021-08-24T03:31:40+00:00 1 Answers 6 views 0

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    2021-08-24T03:33:04+00:00

    9514 1404 393

    Answer:

      32 = (x) +(2x -5) +(2x -3)

    Step-by-step explanation:

    The perimeter is the sum of the side lengths:

      P = a + b + c

      32 = (x) +(2x -5) +(2x -3)

    __

    This can be simplified to …

      32 = 5x -8

    and solved to find x:

      x = (32 +8)/5 = 8

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