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Resources tagged with Equilateral triangles similar to Two Exterior Triangles:

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Broad Topics > 2D Geometry, Shape and Space > Equilateral triangles

LOGO Challenge 6 - Triangles and Stars

Stage: 3 and 4 Challenge Level:

Recreating the designs in this challenge requires you to break a problem down into manageable chunks and use the relationships between triangles and hexagons. An exercise in detail and elegance.

Making Maths: Equilateral Triangle Folding

Stage: 2 and 3 Challenge Level:

Make an equilateral triangle by folding paper and use it to make patterns of your own.

LOGO Challenge 5 - Patch

Stage: 3 and 4 Challenge Level:

Using LOGO, can you construct elegant procedures that will draw this family of 'floor coverings'?

The Square Hole

Stage: 4 Challenge Level:

If the yellow equilateral triangle is taken as the unit for area, what size is the hole ?

Can You Explain Why?

Stage: 3 Challenge Level:

Can you explain why it is impossible to construct this triangle?

Equal Equilateral Triangles

Stage: 4 Challenge Level:

Using the interactivity, can you make a regular hexagon from yellow triangles the same size as a regular hexagon made from green triangles ?

Of All the Areas

Stage: 4 Challenge Level:

Can you find a general rule for finding the areas of equilateral triangles drawn on an isometric grid?