Circle Trig Geoboard - Blue
Intended for use in trigonometry, this geoboard has 100 pegs on one side, each approx. 2cm apart, while the back has 24 pegs arranged in a circle (approx. 15 degrees apart) with a square of pegs around it (11 on each side, 2 cm apart). Made of solid blue plastic. Laura
The Circletrig™ Geoboard gives trigonometry teachers a new way to introduce basic right-triangle and unit-circle trigonometry concepts, and makes trig accessible to younger students. 11" square.
These plastic geoboards are brightly colored and sturdy. The 9" x 9" board features 121 pins, arranged in an 11 x 11 pin grid (numbered 0-10.) The reverse side features 137 pins arranged in alternating rows of 10 and 11. This arrangement allows for the easy formation of triangles, hexagons, etc.The 6" x 6" board has a 25-pin grid on one side, and a circle on the opposite side with one pin in each corner of the board (outside the circle) and one pin in the center of the circle.The geoboards are available in a variety of colors, and if you order more than one, we will assort. ~ Rachel P.