The 105 double-sided, easy to read, triangular-shaped 6-1/4” x 3-3/4” cards feature four levels of difficulty and practice solving for unknown angles. The cards address supplementary, complementary, vertical and right angles. Students will also learn to identify types of triangles based on the triangle’s angle measures – scalene, equilateral, isosceles and right triangles. Launch date: February 2008.
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