congruent acute angles

This is a picture of congruent acute angles, they are all the same shape and measure so they are congruent to each other. This is a picture of chopsticks, so they can be found in the food industry. You can get them-not these in particular- at Panda Express or your favorite chinese food restaurant. Yum...
http://www.crookedbrains.net/2010/05/creative-chopsticks-design.html