Results 1 to 2 of 2

Math Help - triangle trig

  1. #1
    Junior Member
    Joined
    Mar 2007
    Posts
    63

    triangle trig

    The vertex angle of isoceles triangle is 57 degrees 24 minutes and each of its equal sides is 375.5ft long.find the altitude of triangle.
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Senior Member DivideBy0's Avatar
    Joined
    Mar 2007
    From
    Melbourne, Australia
    Posts
    432
    Quote Originally Posted by harry View Post
    The vertex angle of isoceles triangle is 57 degrees 24 minutes and each of its equal sides is 375.5ft long.find the altitude of triangle.
    Drop an altitude and use trigonometric ratios to solve for x:

    cos23.7=\frac{375.5}{x}
    x\approx 410.09

    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. some more rt triangle trig
    Posted in the Trigonometry Forum
    Replies: 4
    Last Post: August 4th 2010, 04:11 PM
  2. right triangle trig
    Posted in the Trigonometry Forum
    Replies: 15
    Last Post: August 2nd 2010, 11:53 AM
  3. Right triangle in trig
    Posted in the Trigonometry Forum
    Replies: 3
    Last Post: May 28th 2010, 04:24 PM
  4. Replies: 3
    Last Post: April 30th 2009, 07:41 AM
  5. Right Triangle Trig. ?
    Posted in the Trigonometry Forum
    Replies: 6
    Last Post: April 2nd 2008, 07:24 PM

Search Tags


/mathhelpforum @mathhelpforum