Geometric Concepts and Properties

Front

What is the name of a polygon with eight sides?

Back

Octagon

Front

This geometric object has no dimension and is represented as a single dot in space.

Back

Point

Front

By what reasoning are the two triangles congruent if two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle?

Back

SAS (Side-Angle-Side)

Front

What is the term for a line from the center of a regular polygon at right angles to any of its sides?

Back

Apothem

Front

Back

49

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees

Front

What do you call a polygon with three sides?

Back

Triangle

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

What is the definition of a line segment?

Back

A line segment is a part of a line that is bounded by two distinct endpoints.

Front

What is the term for angles that add up to 90 degrees?

Back

Complementary angles