Geometry
Arithmetic
and Geometric Series
Geometry
Center Graphics Archive
Learn Geometry Terms Using Quia
Mathematics
Archives - Topics in Mathematics - Geometry
Math
Forum - Geometry Problem of the Week
Perimeter
Efficiency
The
Joy of Pi
Interactive Geometry Activities
Angles -
Practice
obtuse/right/acute angles, and vertical/corresponding/alternate interior
or exterior angle concepts.
Area
Of Parallelogram - Illustrates where the formula for
area of parallelogram comes from.
Cross Sections - Shows what happens when you slice a
cube in different places
Cross Sections - Slicing Platonic Solids
Dynamic rectangle and parallelogram - Drag the
sides of a dynamic parallelogram or a rectangle to explore these concepts.
Geometry Flash Cards
Great Pyramid - Clear instructions on how to make a
scale model of the Great Pyramid at Giza out of paper.
Interior angles - Explanation about interior angles of
polygons.
Ladybug Leaf - Give ladybug directions in geometrical
terms and see if it finds the leaf.
Length, perimeter, area and volume of similar figures - Use
this interactive figure to explore how the scale factor affects the size
and the area of similar figures.
- Interactive Shape Get a clear and complete understanding of shapes, their patterns and properties with the help of interactive pictures.
- Interactive
Pythagoras' theorem
History, eleven different proofs illustrated with Java applets, problems, related things, and more. - Three dimensions View 3-D interactive pictures of Platonic solids, Prisms, Pyramids, practice your ability to visualize 3-dimensional objects from all viewpoints, and more.
Polyhedra - Introduction of the concept, links, great applet illustrating the 5 regular polyhedra.
Pythagorean Theorem
Pythagorean theorem - This interactive figure
illustrates the famous theorem and its proof.
Demonstrating
the Pythagorean Theorem
More
on the Pythagorean Theorem
Examples
of the Pythagorean Theorem
Triangle explorer - Practice finding the area of triangles.
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