Geometry and Measures

Circumference and Area of a Circle and a Sector

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$Definition, notation, and visualisation of line segments, rays, and lines.$

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$Diagram showing volume and surface area formulas for a pyramid. Includes base area, height, and the net of the pyramid.$

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$Perimeter of a rectangle and square with formulas. Rectangle: length 5 cm, width 3 cm, perimeter 16 cm. Square: side 2 m, perimeter 8 m.$

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$Diagram showing the formula for the area of a parallelogram, A = b?h, with labelled base (b) and height (h) on two parallelograms.$

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$Illustration showing surface area formulas for a cuboid and a cube. The cuboid formula is 2lw + 2lh + 2hw, and the cube formula is 6a².$

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$Volume formulas for prisms and cylinders showing the equation V = B × h, where B is the base area and h is the height.$

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$Demonstrating Cavalieri's principle with bread example. The equation shows both stacks have the same volume (1200 cm³).$

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$Diagram showing the volume formulas of a cuboid and a cube. Cuboid: 5 cm x 3 cm x 2 cm, volume 30 cm³. Cube: 5 cm sides, volume 125 cm³.$

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