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Infringement complaint *Complete set of primary school mathematical definition theorem formulas*

Complete set of primary school mathematical definition theorem formulas

1. Area of triangle = base × height ÷ 2 Formula: S = a × h ÷ 2

2. Area of a square = side length × side length formula: S = a × a

3． Area of rectangle = length × width Formula: S = a × b

4． Area of parallelogram = bottom × height Formula: S = a × h

5. The area of the trapezoid = (top bottom + bottom bottom) × height ÷ 2 Formula: S = (a + b) h ÷ 2

6. Sum of internal angle: Sum of internal angle of triangle = 180 degrees

7. Volume of cuboid = length x width x height Formula: V = abh

8. Volume of cuboid (or cube) = bottom area × height Formula: V = abh

9. Volume of cube = edge length × edge length × edge length formula: V = aaa

10． The circumference of a circle = diameter × π Formula: L = πd = 2πr

11. The area of a circle = radius × radius × π Formula: S = πr2

12. Table (side) area of a cylinder: The table (side) area of a cylinder is equal to the perimeter of the bottom surface times the height

Formula: S = ch = πdh = 2πrh

13. Surface area of the cylinder: The surface area of the cylinder is equal to the perimeter of the bottom surface times the height plus the area of the two circles

Formula: S = ch + 2s = ch + 2πr2

14. Volume of a cylinder: The volume of a cylinder is equal to the base area multiplied by the formula: V = Sh

15. The volume of the cone = 1/3 bottom surface × product height formula: V = 1 / 3Sh

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