VICKZZA Messages 22 Reaction score 0 Thread starter Jan 20, 2012 #1 Homework Statement The length of the sides of the acute angled triangle ABC are x-1, x and x+1. BD is perpendicular to AC. Then CD-DA equals? Homework Equations cosine law The Attempt at a Solution
Homework Statement The length of the sides of the acute angled triangle ABC are x-1, x and x+1. BD is perpendicular to AC. Then CD-DA equals? Homework Equations cosine law The Attempt at a Solution
HallsofIvy Science Advisor Homework Helper Messages 42,895 Reaction score 983 Jan 20, 2012 #2 Apparently your "Attempt at a solution" did not come get posted.