Today we are going to learn about the A rea and Perimeter of Plane Figures . These include various figures like, square , rectangle , quadrilateral , parallelogram , rhombus , trapezium , right angled triangle , isosceles triangle , scalene triangle, equilateral triangle , circle , circular ring , semi circle , quadrant of circle , area of sector , regular polygon , etc. All these are important plane figures and today we are going to study about their area and perimeter and how we can compute them easily . Tip : get a pen and paper and write each formula for five to six times so that you may easily remember the formulae of area and perimeter of plane figures . So, lets begin ,
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