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Math » Geometry
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Question #2 of 'Properties of Parallelograms',... Find the values of AB and x when BC=26, CD=22, and DA=2x+12.

Collected Learning Units in Mathematics provides more than 200 instructional units in arithmetic, algebra, calculus, data...
Take a equilateral triangle, divide each side into 4 segments. Then connect the each vertex to division points on the opposite sides as you observe.

InterMath is designed to help middle school teachers deepen their understanding of math concepts...
A guided tour of the geometry of art and architecture

Mathematics Across the Curriculum features an "electronic bookshelf" of materials for teaching math in art, history...
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Figure This! offers interactive math problems families can use to help children understand estimation...

National Security Agency

National Science Foundation

National Science Foundation

Multiple Agencies
  See All 15 Geometry Resources  

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