# 11.9: Study Guide

**At Grade**Created by: CK-12

Keywords: Define, write theorems, and/or draw a diagram for each word below.

**\begin{align*}1^{st}\end{align*} Section: Exploring Solids**

Polyhedron

Face

Edge

Vertex

Prism

Pyramid

Euler’s Theorem

Regular Polyhedron

Regular Tetrahedron

Cube

Regular Octahedron

Regular Dodecahedron

Regular Icosahedron

Cross-Section

Net

**Homework:**

**\begin{align*}2^{nd}\end{align*} Section: Surface Area of Prisms & Cylinders**

Lateral Face

Lateral Edge

Base Edge

Right Prism

Oblique Prism

Surface Area

Lateral Area

Surface Area of a Right Prism

Cylinder

Surface Area of a Right Cylinder

**Homework:**

**\begin{align*}3^{rd}\end{align*} Section: Surface Area of Pyramids & Cones**

Surface Area of a Regular Pyramid

Cone

Slant Height

Surface Area of a Right Cone

**Homework:**

**\begin{align*}4^{th}\end{align*} Section: Volume of Prisms & Cylinders**

Volume

Volume of a Cube Postulate

Volume Congruence Postulate

Volume Addition Postulate

Volume of a Rectangular Prism

Volume of a Prism

Cavalieri’s Principle

Volume of a Cylinder

**Homework:**

**\begin{align*}5^{th}\end{align*} Section: Volume of Pyramids & Cones**

Volume of a Pyramid

Volume of a Cone

**Homework:**

**\begin{align*}6^{th}\end{align*} Section: Surface Area and Volume of Spheres**

Sphere

Great Circle

Surface Area of a Sphere

Volume of a Sphere

**Homework:**

**Extension: Similar Solids**

Similar Solids

Surface Area Ratio

Volume Ratio

**Homework:**