Geometry Vocab & Symbols Test

The formula for the circumference (C) of a circle is given by C = $$\frac{{\text{Circumference}}}{{\text{Diameter}}}$$ or C = $$2\text{πr}$$ , where r is the radius.

A 5 sided regular polygon is called a Pentagon.

The point on a line segment halfway between the endpoints is called the Midpoint.

The symbol for parallel lines is ||.

An arc is part of the circumference of a circle defined by two endpoints.

The formula for the area (A) of a circle is A = $$\text{πr}^2$$ , where r is the radius.

A triangle is a polygon with three edges and three vertices.

The sum of the interior angles of a triangle is always 180 degrees.

A right angle is an angle that measures exactly 90 degrees.

The diameter of a circle is a line segment that passes through the center and has its endpoints on the circle.