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→Area and Perimeter of Plane Figures
|<math>4a</math>
|<math>4a</math>
Where a is the side of a rhombus
Where a is the side of a rhombus
|<math>\frac{1}{2}(d-{1}d-{2})</math>
|<math>\frac{1}{2}(d_{1}d_{2})</math>
Where d1 and d2 are diagonals of rhombus
Where d1 and d2 are diagonals of rhombus
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