The perimeter of a rectangle is 230 cm. If the length of the rectangle is
70 cm, find its breadth and area.
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let the breadth be x
perimeter of rectangle = 230 m
2 ( length + breadth ) = 230 m
2 ( 70 + x ) = 230 m
140 + 2x = 230 m
2x = 230 - 140
2x = 90
x = 90 / 2
x = 45 m
breadth = 45 m
area of rectangle = Length × breadth
area of rectangle = 70 × 45
= 3150 m^2
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