English Vietnamese Hình tam giác nhọn French Un triangle. author name string: Oleg Alexandrov Wikimedia username: Oleg Alexandrov URL: http://commons.wikimedia
image is a derivative work of the following images: File:Law-of-haversines.svg licensed with Cc-by-sa-3.0-migrated, GFDL, PD-self 2008-05-26T23:07:43Z TheOtherJesse
magenta, green, and, and red square forming a transparent Pythagorean triangle (edge proportions 2, 3, and 5, respectively, a Pythagorean triple) quantity: