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Geometry Formulas 

When working with geometry always draw the figure, putting in the measurements. This habit helps when going over the homework without the book or checking for errors. Always write the formula ( abbreviations are okay). Plug in the numbers. Solve  being sure to add the measurement. 

Circles  Think of a pie  what shape do you see? A circle Therefore when working with any shape containing a circle you will use "pi" (pronounced pie). "pi" = 3.14 or 22/7 Circumference is like the perimeter  the part of a wheel that touches the ground. Circumference  "pi" x diameter Area is the inside of a pizza Area = "pi" x radius x radius 
Area –
Think of it as the grass part of a yard or the wall. The answer always has the word square after it. Always
write the formula:
Think of it as the grass part of a yard or the wall. The answer always has the word square or a small 2 after the measurement. Always
write the formula: 

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