Unit 5 Math

The point where the sides of an angle, the sides of a polygon, or the edges of a polyhedron meet. Informally called a corner.

• edge

• geometric solid

• net

• vertex

To make a number or shape by putting together smaller numbers or shapes

• decompose

• compose

• polygon

• line segment

A 2-dimensional figure created to represent a 3-dimensional figure by cutting and unfolding or separating its faces and sides

• net

• obtuse angle

• edge

• scale drawing

To separate a number or shape into small numbers or shapes

• compose

• decompose

• vertex

• face

A drawing of an object or region in which all parts are drawn to the same scale. (hint, hint, hint)

• vertex

• congruent

• apex

• scale drawing

Figures that have the same shape and the same size. (hint....CAM!)

• congruent

• acute angle

• obtuse angle

• polygon

A flat surface on a 3-dimensional shape

• face

• edge

• apex

• vertex

A 3-dimensional shape, such as a prism, pyramid, cylinder, cone, or sphere. Despite its name, its hollow inside.

• net

• line segment

• geometric solid

• polygon

In a pyramid or cone, the point at the tip opposite the base.

• decompose

• apex

• line segment

• vertex

A triangle with all three sides equal in length

• isosceles triangle

• equilateral triangle

• scalene triangle

• polygon