| Term | Definition |
|
Circumference |
The perimeter of a circle that can be found by multiplying the diameter by pi (about 3.14) |
|
How to find the area of a circle |
Pi (3.14) multiplied by the radius squared |
|
How to find the area of a triangle |
Base times Height divided by 2 |
|
How to find the area of a trapezoid |
The two bases (the top and bottom) added up, multipled by the height and divided by 2 |
|
How to find the diameter/radius of a circle using the circumference |
The Circumference divided by 3.14 (and then divide that by 2 if you are want the radius |
|
How to find the diameter/radius of a circle using it's area |
Divide the area by 3.14 and find the square root of that number.(if you need the diameter, multiply the radius by 2) |