Chocogirl
From Dr Ulhas Patil English Mediuncbse School, added an answer, on 5/11/13

10 helpful votes in Math
area of rectangle=length*breadth

area of square=side*side

area of circle= π *r* ^{2}

area of parallelogram= base*height

area of triangle= 1/2* base*height

perimeter of rectangle=2*(length+breadth)

perimeter of square=4*side

Circumference of circle = 2π *r*

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