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Geometry
· Formula🧮 Formula Reference Sheet
Pythagoras: a² + b² = c² Area triangle: ½ × base × height Area rectangle: l × w Area circle: π r² Circumference: 2π r Volume cube: s³
⚡ Example per formula
Pythagoras: a² + b² = c²
↳legs 3, 4 → hypotenuse 5
Area triangle: ½ × base × height
↳base 10, height 6 → area 30
Area rectangle: l × w
↳8 × 5 = 40
Area circle: π r²
↳r=7 → 49π ≈ 154
Circumference: 2π r
↳r=7 → 14π ≈ 44
Volume cube: s³
↳side 4 → 4³ = 64
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