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Triangles

Level 3

Find the area of each triangle.

ABC
  1. units²
  2. units²After area of A
  3. units²After area of B
Formulas
  • Area = ½ × base × height
  • Any side can be the base. Its height meets the base line at a right angle and passes through the opposite corner, sometimes outside the triangle on the base line extended.
  • Tilted shape: the rectangle around it, minus the right triangles between the shape and the rectangle