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# Geometry Help

In this section you'll find study materials for geometry help. Use the links below to find the area of geometry you're looking for help with. Each study guide comes complete with an explanation, example problems, and practice problems with solutions to help you learn geometry.

### Study Guides

showing 11 - 20 of 141
• 11.

#### Triangle Special Facts Help

Introduction to Triangle Special Facts Right Triangle Suppose we have a triangle Δ PQR with sides S, T , and U , having lengths s, ...

Source: McGraw-Hill Professional
• 12.

#### Triangle Practice Test

Review triangle facts about: Triangle Definitions Help Triangle ...

Source: McGraw-Hill Professional
• 13.

Introduction to Types of Quadrilaterals A four-sided geometric plane figure is called a quadrilateral . Because a quadrilateral has more sides than a triangle, there are more types. The allowable range of interior-angle measures is ...

Source: McGraw-Hill Professional
• 14.

Facts about Quadrilaterals - Interior Angles Every quadrilateral has certain properties, depending on the “species.” Here are some useful facts concerning these four-sided plane figures. Sum Of Measures Of ...

Source: McGraw-Hill Professional
• 15.

#### Quadrilateral Perimeters and Areas Help

Introduction to Quadrilateral Perimeters and Areas Interior area is an expression of the size of the region enclosed by a polygon, and that lies in the same plane as all the vertices of the polygon. It is expressed in square units (or ...

Source: McGraw-Hill Professional
• 16.

Source: McGraw-Hill Professional
• 17.

#### Polygons, Five Sides and Up Help

Introduction to Polygons There is no limit to the number of sides a polygon can have. In order to qualify as a plane polygon, all of the vertices (points where the sides come together) must lie in the same plane, and no two sides are allowed ...

Source: McGraw-Hill Professional
• 18.

#### Polygon Rules Help

Introduction to Polygon Rules All plane polygons share certain things in common. It’s possible to calculate the perimeter or area of any polygon. Certain rules and definitions apply concerning the interior and exterior angles, and the ...

Source: McGraw-Hill Professional
• 19.

#### Circumference and Area of a Circle Help

Introduction to Circumference and Area of a Circle A circle is a geometric figure consisting of all points in a plane that are equally distant from some center point. Imagine a flashlight with a round lens that throws a brilliant ...

Source: McGraw-Hill Professional
• 20.

#### Other Plane Figures Practice Test

If necessary review Circumference and Area of a Circle Help

Source: McGraw-Hill Professional

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