For

equilateral triangle angles [alpha] = [beta] = [gamma] = 2[pi]/3, the lengths [L.

Equilateral triangles are then constructed inwards from each side of the square

Made up of two

equilateral triangles, we see the primary colors--red, yellow and blue.

Place the nine letters on the nine nodes of the diagram so that each of the nine

equilateral triangles holds three letters on their vertices that transpose into a three-letter word.

One of my favourite Islamic patterns is created with

equilateral triangles.

Harder to visualize are L4 and LS, which sit at two points that complete

equilateral triangles with the sun and Earth.

2] (for any positive integer n) smaller

equilateral triangles by breaking each edge into n pieces and connecting the break points with lines parallel to the triangle edges (Figure 4).

Spread out on the malt brown floor of the Renaissance Society this summer were 110

equilateral triangles of indigo cloth partially sewn together in a segmented field: Helen Mirra's Sky-Wreck, 2001.

Each of its bays terminate at the roofline or well below it in a variety of shapes: some are

equilateral triangles echoing the gables behind, others are cut into extravagant and irregular profiles evoking a cloudscape.

Each tower consists of a cluster of three

equilateral triangles, set-back at the upper seven floors to create a unique and exciting viis glass and granite, with major graniteclad columns and striking all-glass comers.

This planter--designed by Oakley Norton of Eagle Rock, California, to add interest and increase planting space on his sloping lot--presents a refresher course in parallelograms and

equilateral triangles.

Its strands of recycled CDs trace the edges of a novel mathematical solid--a polyhedron made up of 20

equilateral triangles and 60 kite-shaped quadrilaterals.

For the tree motif, cut 10

equilateral triangles (each side 5 inches long) from the cardboard and 10

equilateral triangles (each side 6 inches long) from the tree fabric.

Finally, the counters could be replaced by matchsticks forming inter-connected

equilateral triangles, and the minimum number sought to reverse the pattern.

suggests making "hyperbolic paper" from a large number of

equilateral triangles as one way to get a feel for the hyperbolic plane.