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20 September, 06:52

The perimeter, P cm, of a rectangle of

length L cm and breadth B cm is given

by P = 2L + 2B. Given that P = 20 and

B = 5, find the value of L

+1
Answers (1)
  1. 20 September, 07:02
    0
    Answer:5cm

    Step-by-step explanation:

    P = 2L+2B

    P=20cm

    B=5cm

    L=?

    P = 2 (L+B)

    P/2=L+B

    20/2 = L+5

    10=L+5

    L=10-5

    L=5cm
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