geometry vocabulary

Front

An angle with a measure between 0 and 90 degrees is called an _____________________.

Back

acute angle

Front

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

Back

midpoint

Front

An angle with a measure equal to 90 degrees is called a __________________________.

Back

right angle

Front

Lines that cross or meet and form angles are called _____________________.

Back

intersecting lines

Front

A continuous straight extent of length, without breadth or thickness is called a ________________. It also has arrowheads on both sides.

Back

line

Front

An angle with a measure greater than 90 degrees but less than 180 degrees is called a _____________________.

Back

obtuse angle

Front

A part of a line that has a fixed starting point and extends infinitely in one direction is called a _________________.

Back

ray

Front

A segment that connects two points on a circle is called a _____________________.

Back

chord

Front

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

Back

complementary angles

Front

Two angles that add up to 180 degrees are called _____________________.

Back

supplementary angles