The width of the rectangle is 12cm 4mm and the length is 6mm longer. Calculate the perimeter of the rectangle.

Width – 12cm 4mm
Length -? 6 mm wider than the width
Find P =?
Decision
Find the length of the rectangle
12cm 4mm + 6mm = 13cm
Now we find the perimeter of the triangle by adding the width and length and multiplying by two.
P = 2 * (12cm4mm + 13cm) = 2 * 25cm4mm = 50cm8mm
Answer: 50cm 8mm



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