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30 April, 10:35

The perimeter of a rectangle is 68

the rectangle.

of a rectangle is 68 cm. The length is 4 cm more than its width. Find the length of

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Answers (1)
  1. 30 April, 11:34
    0
    Length = 19 Cm

    Explanation:

    Given:

    Perimeter of a rectangle = 68 Cm

    Assume:

    Width (B) = a

    Length (L) = a + 4

    Find:

    Length of rectangle = ?

    Computation:

    Perimeter of a rectangle = 2 (L+B)

    ⇒ 68 = 2 (a + a + 4)

    ⇒ 68 = 2 (2a + 4)

    ⇒ 68 = 4a + 8

    ⇒ 68 - 8 = 4a

    ⇒ 60 = 4a

    ⇒ a = 15 Cm

    So, Width (B) = 15 Cm

    ⇒ Length = Width (B) + 4

    ⇒ Length = 15 + 4

    Length = 19 Cm
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