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Your search for ‘Area of triangles’ returned 2 results

Interactive resource

Area of triangles: height intersects with the base inside the triangle

  • TLF-IDL355

Find the area of triangles that have vertical or horizontal sides. In this type of triangle, the height intersects with the base inside the triangle. Explore how the formula for finding the area of a triangle works. First, estimate the area of a chosen triangle on a grid. Next, work out the correct formula by assembling ...

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Interactive resource

Area of triangles

  • TLF-IDL145

Find the area of different types of triangles on a grid. Explore how the formula works. First, estimate the area of a chosen triangle on a grid. Next, work out the correct formula by assembling a series of triangles and rectangles. Then, compare the actual area of the triangle with your original estimate. Practise applying ...

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