Asked by kimi
The length&breadth of a rectangle are (x+5)cm&3cm respectively.Find the length if the area of the rectangle is 42 cm2.
Answers
Answered by
Dr Russ
length = x+5 cm
breadth = 3 cm
area = length x breadth
42 cm^2 = 3 cm(x+5 cm)
42 cm^2 = 3x cm + 15 cm^2
now solve for x
breadth = 3 cm
area = length x breadth
42 cm^2 = 3 cm(x+5 cm)
42 cm^2 = 3x cm + 15 cm^2
now solve for x
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