How in the world do I do this?!? Can I get a written/drawn example! Im confused

https://media.glynlyon.com/g_geo_2012/7/1006l12.gif

Question

How in the world do I do this?!? Can I get a written/drawn example! Im confused

https://media.glynlyon.com/g_geo_2012/7/1006l12.gif

psymon · Answer

Inscribe, put inside:
Best you can to have edges touch
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Circumscribe = circumference = around. So basically the triangle goes inside:

|dw:1377508171188:dw|

Right triangle means one of the angles is a 90 degree angle:

psymon · Answer

|dw:1377508210993:dw|

equilateral triangle means all 3 sides are the same length:

|dw:1377508259233:dw|