Add new comment

Permalink Submitted by Daz (not verified) on 29 November, 2019
Comment

I don't understand how in the second picture the length of the semicircle could be c/2 if the diameter is still d, as it is labeled.

About text formats

Filtered HTML

  • Web page addresses and email addresses turn into links automatically.
  • Allowed HTML tags: <a href hreflang> <em> <strong> <cite> <code> <ul type> <ol start type> <li> <dl> <dt> <dd>
  • Lines and paragraphs break automatically.