Geometry Vocabulary

Front

A triangle with 3 angles that each measure less than 90 degrees is called an ___.

Back

acute triangle

Front

A triangle with 1 angle that measures more than 90 degrees is called an ___.

Back

obtuse triangle

Front

A triangle with 1 angle that measures EXACTLY 90 degrees, which is shown with a box, is called a ___.

Back

right triangle

Front

A triangle with 3 congruent sides and 3 angles that each measure 60 degrees is called an ___.

Back

equilateral triangle

Front

A triangle with 2 congruent sides and 2 congruent angles is called an ___.

Back

isosceles triangle

Front

A triangle with no congruent sides and no congruent angles is called a ___.

Back

scalene triangle

Front

A 3-dimensional object with 4 faces that are rectangles and 2 bases that are rectangles is called a ___.

Back

rectangular prism

Front

The amount of space inside a 2-dimensional figure that is measured in square units is called ___?

Back

area

Front

A three-sided polygon is also known as a(n):

Back

Triangle

Front

In the image of the angle, point C is known as a(n): Polygon, Vertex, Midpoint, Acute

Back

Vertex