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# Geometry: Understanding Cubes

Created by
@AccomplishedBixbite

### What is the surface area of a cube with side length 10 millimeters?

600 square millimeters

2 inches

V = s^3

### If the surface area of a cube is 216 square centimeters, what is the length of one side?

<p>6 centimeters</p> Signup and view all the answers

### What is the volume of a cube with side length 8 millimeters?

<p>1024 cubic millimeters</p> Signup and view all the answers

### What is the shape of each face of a cube?

<p>Square</p> Signup and view all the answers

### How many faces does a cube have?

<p>6</p> Signup and view all the answers

### What is the unit of measurement for the surface area of a cube?

<p>Square units</p> Signup and view all the answers

### How do you calculate the surface area of a cube?

<p>Multiply the area of one face by 6</p> Signup and view all the answers

### What is the formula for the surface area of a cube?

<p>SA = s^2 * 6</p> Signup and view all the answers

## Study Notes

### What is a Cube?

• A cube is a 3-dimensional geometric solid with 6 faces, each shaped like a square.
• Each face of a cube is congruent, or identical in size and shape.
• Examples of cubes include sugar cubes, dice, and children's alphabet blocks.

### Surface Area of a Cube

• Surface area is the number of unit squares needed to cover the outside surfaces of the solid.
• The surface area of a cube is the sum of the areas of its six faces.
• The formula to calculate the surface area of a cube is: SA = 6s^2, where SA is the surface area and s is the length of one side.

### Examples of Surface Area Calculation

• Example 1: Find the surface area of a child's cube-shaped block with a side length of 3 cm. Answer: 54 square cm.
• Example 2: Find the surface area of a sugar cube with a side length of 10 mm. Answer: 600 square mm.
• Example 3: Find the surface area of a cube-shaped gift box with a side length of 4 inches. Answer: 96 square inches.

### Finding the Length of One Side of a Cube

• The same formula (SA = 6s^2) can be used to find the length of one side of a cube if given the surface area.
• Example 1: Find the length of one side of a cube with a surface area of 24 square inches. Answer: 2 inches.
• Example 2: Find the length of one side of a cube with a surface area of 216 square cm. Answer: 6 cm.
• Example 3: Find the length of one side of a cube with a surface area of 150 square inches. Answer: 5 inches.

### Volume of a Cube

• The volume of a cube measures the amount of space inside the cube.
• The formula to calculate the volume of a cube is: V = s^3, where V is the volume and s is the length of one side.
• Example: Find the volume of a single cube-shaped die with a side length of 8 mm. Answer: 512 cubic mm.

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## Description

A quiz about the definition, properties, and measurements of a cube, a 3-dimensional geometric solid with 6 square faces.

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