Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Welcome to Shadow Length Mathematics!
Curious how a stick's shadow can reveal the sun's angle? Share your shadow measurements, setup photos, or ratio questions, and compare notes with others testing the same ideas outdoors. No prior experience needed to join the conversation.
You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.