Click the Cristal to draw an equilateral triangle (angles 60, 60, 60). Click the space bar to change the sides proportions of the triangle (angles stay the same). Click the Yellow Ball to draw a right angle isosceles triangle (angles: 90, 45, 45). Click the Orange Ball to draw a right angle triangle (one angle is 90) with the sides 120, 160, 200. Click the right arrow, up arrow, and down arrow to draw triangle patterns.
