### The Formula Used to Find the Area of a Triangle

The formula for finding the area of a triangle is really easy to remember. One way to recall this formula is to visualize the inside of the triangle as having a vertical line that runs from the bottom (base) to the top of the triangle (apex). And since area deals with the inner part of […]

### The Formula Used to Find the Perimeter of a Triangle

Finding the perimeter of a triangle is a relatively straightforward process using a formula similar to finding the perimeter of a rectangle. In the simplest terms, you are finding the length of all the outer sides and adding them together. The perimeter is the continuous line forming the boundary of a closed geometric figure such […]

### Find the Radius of a Circle

Simple instructions for finding the radius of a circle if the diameter is known. Find the radius of a circle using these simple instructions. Instructions The radius of a circle is the distance from the center point to any point on the circle’s perimeter. You use the term radii when referring to more than one […]

### Find the Circumference of a Circle

Simple instructions to find the circumference of a circle with an explanation of Pi to find the circumference. These instructions are written in a simple format to quickly explain how to find the circumference of a circle and briefly explains Pi with formulas and example shown. Instructions The outer part of a circle is described […]

### Find the Diameter of a Circle

Simple instructions to find the diameter of a circle using the standard formula. d=2r These instructions are written in a simple format to explain how to find the diameter of a circle. Instructions The diameter of a circle is 2 x the radius and is basically the span of two radii across the circle’s center […]

### What is a Circle?

A really simple explanation of what a circle is. This definition of a circle briefly describes what a circle is with pictures showing the center, arc, sector, segment, radius, diameter and circumference of a circle. Definition of a circle: The circle has been around long before the beginning of ancient history. A circle is the […]

### How to Calculate Travel Distance on a Map

Described are 2 ways to calculate travel distance on a map. The first method uses the Google Maps Distance Calculator. The second method is using a standard paper road map. Calculate travel distance using Google Maps Distance Calculator and map scale 1. Go to Google Maps Distance Calculator. 2. In the search box, type your starting […]

### Elementary School Math Conversion Reference Sheet

The following has been replicated from a child’s 6th-grade elementary school mathematics conversion reference sheet. Customary Conversions » 1 foot = 12 inches » 1 yard = 3 feet » 1 mile = 5,280 feet » 1 mile = 1,750 yards » 1 cup = 8 fluid ounces » 1 pint = 2 cups » […]

### How to Use Boolean Search Operators

How do I use Boolean search operators to find things when I search the Internet? What is a Boolean Search? A Boolean Search is named after George Boole who came up with a type of linguistic algebra that uses AND, OR and NOT. George Boole’s publications “Mathematical Analysis” and “Investigation”, brought forth Boolean Logic. So when performing a Boolean search you […]

### What is the formula for finding the area of a rectangle?

Find the area of a rectangle The area of a rectangle can be determined by multiplying the width times the height. W x H = AREA (The area is always shown in SQUARE UNITS) If a rectangle has a base (or width) 10 inches and a height of 6 inches, its area is 10 x 6 = 60 square inches. See example […]