M2 Basics of Geometry

Front

An angle whose measure is exactly 180° is a(n):

Back

Straight Angle

Front

Find the measure of the missing angle if one angle is 40°:

Back

140°

Front

a² + b² = c² is known as the:

Back

Pythagorean Theorem

Front

An undefined term in Geometry. A connected straight path. It has no thickness and it continues forever in both directions.

Back

Line

Front

A point that divides, or bisects, a segment into two congruent segments is called a __________.

Back

midpoint

Front

The sum of the interior angles of a triangle is:

Back

180°

Front

A triangle with all sides of different lengths is called a(n):

Back

Scalene Triangle

Front

A triangle with at least two equal sides is called a(n):

Back

Isosceles Triangle

Front

A triangle with all sides equal is called a(n):

Back

Equilateral Triangle

Front

The distance around a polygon is called its:

Back

Perimeter