formulas

Created by weinstockr 

Upgrade to
remove ads

9 terms

area of a parallelogram

b×h

area of a square

area of a triangles

½ b×h

area of a trapezoid

½h (b₁+b₂)

area of a circle

r² π

circumference of a circle

dπ or 2πr

perimeter of a square

4s

perimeter of a parallelogram

2b+2h

perimeter of any non circular figure

s+ however many sides

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

NEW! Voice Recording

Click the mic to start.

Create Set