Geometry Calculations (1 CD) - $2.99 Radians and Degrees: Length of an Arc, Area of a Sector, Coordinates and The Straight Line: Length of a Straight Line, Midpoint of a Straight Line, Gradient of a Straight Line, Equation of a Straight Line, Graphs of a Straight Line Pythagorean Theorem Angles: The Right Angle, Acute, Obtuse, Straight, and Reflex Angles, Complementary and Supplementary Angles, Vertically Opposite Angles Alternate and Corresponding Angles, Plane Figures: Areas and Perimeter of a Square, Rectangle, and Triangle, Areas and Circumference of a Circle, Areas of a Trapezoid, Parallelogram, and Polygons, Solid Figures: Areas and Volumes of Prisms, a Right Circular Cylinder, and Sphere, Volumes of Pyramids, a Cone.....more.  Click on image for larger view. Purchase the CD Geometry Calculations above or select your preference from the topics below. Topics chosen will be on a single custom CD. Each topic comes with clear definitions, explanations, instructions, and formulas where necessary. CDs are designed to detect errors on input with unlimited interactive calculations.     -----------------------------------------------------------------------

Coordinates & The Straight Line (1 CD) - $1.00 Length of a Straight Line, Midpoint of a Straight Line, Gradient of a Straight Line, Equation of a Straight Line, Graphs of a Straight Line, Pythagorean Theorem Coordinates represent the positions of points in a plane. ------------------------------------------------------------------------- Plane Figures (1 CD) - $1.00 Areas and Perimeter of a Square, Rectangle, and Triangle, Areas and Circumference of a Circle, Areas of a Trapezoid, Parallelogram, and Polygons Plane figures are two dimensional, which means they all lie in a single plane. Such figures are triangles, quadrilaterals, and figures with many sides and angles known as polygons.   -------------------------------------------------------------------------

Solid Figures (1 CD) - $1.00 Areas and Volumes of Prisms, a Right Circular Cylinder and Sphere, Volumes of Pyramids and a Cone. Solid figures are three-dimensional. They lie in space and include figures such as prisms, pyramids, cylinders, cones, and the sphere. --------------------------------------------------------------------------

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