Question

9. The perimeter of an envelope is 38 cm. If the breadth of the envelope is 5 cm, what is its length?​

Answer 1

Answer:

perimeter of Rectangle = 38 cm

38 = 2 ( l+b)

breadth is given

38 = 2l + 10

38 - 10 = 2l

28 = 2l

length = 14

Step-by-step explanation:

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