2562556
| Question | Answer |
| The sum of exterior angles in any polygon | 360° |
| The sum of interior angles in any polygon | (number of sides-2) x 180° |
| Area of a triangle | 1/2 x base x vertical height |
| Area of a parallelogram | base x vertical height |
| Area of a trapezium | 1/2(a + b) x vertical height |
| Area of a circle | π x radius² |
| Circumference of a circle | π x diameter or 2 x π x radius |
| Area of a sector of a circle | X ÷ 360 x area of full circle |
| Length of an arc of a circle | X ÷ 360 x circumference of full circle |
| Surface area of a sphere | 4 x π x radius² |
| Surface area of a cylinder | (2 x π x radius x height) + (2 x π x radius²) |
| Volume of a prism | cross-sectional area x length |
| Volume of a cylinder | π x radius² x height |
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