For rhombus with side a and the diagonal e and f is:
area: (e * f)/2
perimeter: a * 4
a = root of (e/2)²+(f/2)²
The angles will be calculated in a simple way, if you disperse the rhombus into four right- angled- triangles.
Warning: fopen(listeraute.txt) [function.fopen]: failed to open stream: Permission denied in /var/www/english/raute.php on line 242
Warning: fwrite(): supplied argument is not a valid stream resource in /var/www/english/raute.php on line 243
Warning: fopen(_rautedoc.txt) [function.fopen]: failed to open stream: Permission denied in /var/www/english/raute.php on line 255
time:1.7E-5s
http://www.mathepower.com
rhombus diagonal angle side long area calculate work out solve formulas formula quad square