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Geometry

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Math Review of Polygons
Math Review of Polygons 150 150 Deborah

  Overview: Polygons are geometric figures that are made up of line segments.  Many of them, such as triangles, squares, and rectangles, are familiar shapes.  Others, such as heptagons (7…

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Math Review of the Number Pi
Math Review of the Number Pi 150 150 Deborah

Overview: The number pi (π) is one of the most important and useful numbers in math calculations involving circles, spheres, and other circular objects.  It is an irrational number with…

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Math Review of the Triangle Inequality
Math Review of the Triangle Inequality 150 150 Deborah

Overview: Triangles have many different properties.  For example, the sum of all three angles is always equal to 180o. The area of a triangle is equal to 1/2 times the…

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Review of the Pythagorean Theorem
Review of the Pythagorean Theorem 150 150 Deborah

Overview: The Pythagorean theorem, involving the relationships between the sides of a right triangle, is one of the most famous geometry theorems.  Many proofs have been generated to show the…

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Back to School: SchoolTutoring Academy Reviews Area and Perimeter
Back to School: SchoolTutoring Academy Reviews Area and Perimeter 150 150 Deborah

Overview: Area and perimeter are two important measurements of a geometric figure.  The area is the number of units enclosed within its surface, and the measurement of the distance around…

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Reflecting Points and Figures in Geometry
Reflecting Points and Figures in Geometry 150 150 Deborah

Overview:  What Are Reflecting Points? Reflecting points and images in geometry are a special type of transformation.  Every point in the preimage corresponds exactly to every point in the reflected…

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If-Then Statements in Geometric Proofs and Computer Programs
If-Then Statements in Geometric Proofs and Computer Programs 150 150 Deborah

Overview:  Mathematical Language Conditional statements, also called “if-then” statements are important in logic and mathematics.  They state the antecedent as well as the consequent.  The conditions are defined precisely in…

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Parallel and Perpendicular Lines
Parallel and Perpendicular Lines 150 150 Deborah

Overview:  Lines and Angles Lines in geometry exist in relationships to one another by the angles they form when they intersect.  Those lines that do not intersect at all are…

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Transformations in Geometry
Transformations in Geometry 150 150 Deborah

Overview:  What Are Transformations? Transformations in geometry occur when a figure (the preimage) is moved or changed into another figure (the new image, or image), such that all points in…

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Types of Quadrilaterals
Types of Quadrilaterals 150 150 Deborah

Overview:  What Are Quadrilaterals? Quadrilaterals are polygons with four sides.  They are classified according to measures of equal angles and equal sides.  There are seven different types of quadrilaterals: parallelogram,…

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