the perimeter of a rectangle is 84cm and its length is 23 cm. find its breadth and area of rectangle
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the perimeter of rectangle is 84 cm
the length is 23 cm
so breadth= let the breadth be y
=2×(l+b)=84 cm
=2×(23+y)=84cm
y= 84÷2=42-23=19 cm
the breadth is 19 cm
so area = length×breadth
=23×19 cm=437 cm²
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