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Geiss Geo chapter 9

Vocabulary for Perimeter and Area of Geometric Figures

What is a central angle of a regular polygon? An angle with its vertex at the center of a circle.
What is the apothem? The apothem is the distance from the center of the circle to a side.
What is the area formula for a regular polygon? A = 1/2(aP)
What is a composite figure? A composite figure is made up of simple shapes, such as triangles, rectangles,and circles.
What is geometric probability? The probability of an event is based on a ratio of geometric measure such as length or area.
Created by: ronnie200