Question

A 20 cm long thin wire is used to form a rectangle.if width of this rectangle is 4cm,what is the area of the rectangle

Answer 1

Dear Student,

Perimeter of rectangle = length of thin wire = 20 cm
Perimeter of rectangle = 2(length + breadth)
2(l+4) = 20
length of rectangle = 6 cm
Area of rectangle = $length\times breadth=6\times 4=24c{m}^2$

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