Unit 9 Words

Polyhedron

A three-dimensional figure whose surfaces are polygons.

Edges

A segment that is formed by the intersection of two faces.

Vertex

A point where three or more edges intersect.

Euler's Formula

F+V=E+2

Volume of a Cylinder

V= πr²h

Volume of a Prism

V=Bh

Volume of a Cone

V=1/3 πr²h

Volume of a Pyramid

V=1/3 Bh

Surface Area of a Cone

SA=πrl+πr²