3. The perimeter of a rectangle is 30cm.Frame a linear equation in x & y
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3. The perimeter of a rectangle is 30cm.Frame a linear equation in x & y
3. The perimeter of a rectangle is 30cm.Frame a linear equation in x & y
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Answer:
Let, length of a rectangle is x and breadth is y.
As per condition 1 ie., Length of a rectangle is 4 cm more than its breadth.
The equation is,
x=y+4
∴x−y=4
As per condition 2 i.e., perimeter of the rectangle is 40 cm.
The equation is,
x+x+y+y=40
∴x+y=20