Geometry Vocab

Front

A triangle with two congruent sides is ____________.

Back

isosceles

Front

The three undefined terms of geometry are ____, ____, and ____.

Back

point, line, and plane

Front

Lines that are ___________ intersect to form four right angles.

Back

perpendicular

Front

Figures that have one or more points in common are said to ____________.

Back

intersect

Front

The ratio of the side lengths of two figures in simplified form is a(n) ___________.

Back

scale factor

Front

A straight line that divides an angle into two equal parts is called a ____________.

Back

bisector

Front

Two angles that add up to 90 degrees are called ____________.

Back

complementary angles

Front

A polygon with four sides is known as a ____________.

Back

quadrilateral

Front

The distance around a circle is called its ____________.

Back

circumference

Front

A triangle with all sides of different lengths is called ____________.

Back

scalene