SOLUTION: Solve using quadratic equations
1) the ratio of the length and breadth of a rectangular photo is 3:2. Given that the area of the rectangle is 864cm^2, find its length.
2) fen
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Question 938041: Solve using quadratic equations
1) the ratio of the length and breadth of a rectangular photo is 3:2. Given that the area of the rectangle is 864cm^2, find its length.
2) fencing of length 40m is used to enclose a rectangular pen, where one of the sides is a straight wall. The area enclosed by the pen is 192m^2. Find the length of a side of the pen which is perpendicular to the wall.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
#2:
x and y, the dimensions of the rectangular area.
for the fence length.
, and x is the length perpendicular to the wall.
Two equations in two unknowns resulting in quadratic equation; simple problem and solution.
#1:
Factor for both dimensions, x.
, allowing you to evaluate the dimensions.
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