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Math Formulae (1N1)
Remembering measuration formulae involving basic shapes
| Formula | Item |
|---|---|
| ½BxH | area of triangle |
| LxB | area of rectangle |
| 2L+2B | perimeter of rectangle |
| BxH | area of parallelogram |
| ½(a+b)xH | area of trapezium |
| 2r | diameter of circle |
| 2πr | circumference of circle |
| πr² | area of circle |