Answer: 6x + 14 cm
Explanation:
side(1) of rectangle = x + 8
side(2) of rectangle = 2x - 1
perimeter of rectangle = 2(L+B)
=2(x + 8 + 2x - 1)
=2(3x + 7)
=6x + 14
therefore the perimeter of the rectangle is 6x + 14 cm
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