Math Chapter 8 Vocabulary Quiz

18 terms

A _________ is a polygon with 4 sides.

rectangle

A ________ is a parallelogram that has four right angles.

acute angle

An angle that measures between 0 and 90 degrees is called __________ .

obtuse angle

An angle that measures between 90 and 180 degrees is called __________ .

complementary

Two angles are _________ if the sum of their measures is 90 degrees.

parallel lines

If two lines in the same plane do not intersect they are _________ .

vertical angles

Angles opposite each other are called __________ .

congruent

Two angles are ______________ if they have the same measure.

plane

A __________ is a flat surface that extends indefinitely in all directions.

square

A ________ is a rectangle with all sides the same length.

right angle

Angles that measure 90 degrees are called __________ .

perpendicular lines

Lines that intersect to form a right angle are called ____________ .

circle

A set of all points in a plane that are equal distance from a given point, (the center) is called ___________ .

center

The middle of a circle is called the __________ .

diameter

The _______ is the distance accross a circle through the center.

circumference

The ________ is the distance around a circle.

vertex

The _______ is the point where the sides of the angle meet.