Calculate the area of various geometric shapes. Select a shape and enter the required dimensions.
| Shape | Formula |
|---|---|
| Square | A = s² |
| Rectangle | A = l × w |
| Triangle | A = ½ × b × h |
| Circle | A = πr² |
| Trapezoid | A = ½ × (b₁ + b₂) × h |
Where:
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