Category Maths

Decagon Formulas

Decagon Formulas 1. Area of Regular Decagon Formula Area = 5 × s 2 × ( 1 + √ 5 ) × cot ( π 10 ) Calculated using the side length (s) and cotangent of π 2. Perimeter of…

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Nonagon Formulas

Nonagon Formulas 1. Area of Regular Nonagon Formula Area = 9 × s 2 × ( 1 + √ 5 ) × cot ( π 9 ) The area uses the side length (s) and cotangent of π 2. Perimeter…

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Octagon Formulas

Octagon Formulas 1. Area of Regular Octagon Formula Area = 2 × s 2 × ( 1 + √ 2 ) The area is calculated using side length (s) and √2. 2. Perimeter of Regular Octagon Formula Perimeter = 8…

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Heptagon Formulas

Heptagon Formulas 1. Area of Regular Heptagon Formula Area = 7 × s ² × cot ( π 7 ) 4 Area is calculated using side length (s) and cotangent of π 2. Perimeter of Regular Heptagon Formula Perimeter =…

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Hexagon Formulas

Hexagon Formulas 1. Area of Regular Hexagon Formula Area = 3 √ 3 × s 2 Area is 3√3 times the square of side length (s). 2. Perimeter of Regular Hexagon Formula Perimeter = 6 × s Perimeter is 6…

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Pentagon Formulas

Pentagon Formulas 1. Area of Regular Pentagon Formula Area = 1 4 s 2 × √ 5 + 2 √ 5 Area of a pentagon using side length (s). 2. Perimeter of Regular Pentagon Formula Perimeter = 5 × s…

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Kite Formulas

Kite Formulas 1. Area of Kite Formula Area = d₁ × d₂ 2 Area is half the product of the diagonals (d₁ and d₂). 2. Perimeter of Kite Formula Perimeter = 2 ( a + b ) Perimeter is twice…

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Trapezium Formulas

Trapezium Formulas 1. Area of Trapezium Formula Area = ( a + b ) 2 × h Area is the average of the two parallel sides (a, b) multiplied by height (h). 2. Perimeter of Trapezium Formula Perimeter = a…

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Circle Formulas

Circle Formulas 1. Area of Circle Formula Area = π × r 2 Area is π times the square of the radius (r). 2. Circumference of Circle Formula Circumference = 2 π × r Circumference is 2π times the radius…

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Rhombus Formulas

Rhombus Formulas 1. Area of Rhombus Formula Area = d₁ × d₂ 2 Area is half the product of its diagonals (d₁ and d₂). 2. Perimeter of Rhombus Formula Perimeter = 4 a Perimeter is four times the side length…

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