Formulas for Students of Class 8th.

1. Area of Trapezium -¿ 1/2*Sum of parallel sides*Distance between parallel sides.

2. Area of Rectangle -¿ Length*Breadth

3. Perimeter of Rectangle -¿ 2(Length+Breadth)

4. Area of Square -¿ Side*Side

5. Perimeter of Square -¿ 4*Side

6. Area of Genereal Quadrilateral -¿ 1/2*d(h1+h2) ,where ”d” stands for diameter and ”h1” and ”h2” stands for height first and height sceond.

7. Area of Triangle -¿ 1/2*breadth*height

8. Perimeter of Triangle -¿ Sum of all 3 sides.

9. Area of Quadrilateral -¿ 4*Side*Side

10. Area of Rhombus -¿ 1/2*D1*D2 , where ”D1 and D2” stands for Diameter first and Diameter second.

I will post some more formulas later.

–Mrigendra

单词	FormulasForStudentsOfClass8th
释义	Formulas for Students of Class 8th. 1. Area of Trapezium -¿ 1/2Sum of parallel sidesDistance between parallel sides. 2. Area of Rectangle -¿ LengthBreadth 3. Perimeter of Rectangle -¿ 2(Length+Breadth) 4. Area of Square -¿ SideSide 5. Perimeter of Square -¿ 4Side 6. Area of Genereal Quadrilateral -¿ 1/2d(h1+h2) ,where ”d” stands for diameter and ”h1” and ”h2” stands for height first and height sceond. 7. Area of Triangle -¿ 1/2breadthheight 8. Perimeter of Triangle -¿ Sum of all 3 sides. 9. Area of Quadrilateral -¿ 4SideSide 10. Area of Rhombus -¿ 1/2D1D2 , where ”D1 and D2” stands for Diameter first and Diameter second. I will post some more formulas later. –Mrigendra
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