the length of a rectangle is three times its width, if the width is x cm, find the value of x and hence find the area of a rectangle.
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Answer:
area of rectangle = 2(l+b)
length of rectangle= x
widht/ breadth = 3x
area = 2(l+b)
2 (x + 3x)
2x + 6x
= 8x is your answer
hope it is helpful
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