Results 1 to 2 of 2

Math Help - circle help

  1. #1
    Junior Member
    Joined
    Oct 2008
    Posts
    73

    circle help

    pic 29 might have the question in it. but i also wrote it down.

    29. Given: BC is tangent to circle A;

    BC = 4, AC = 3

    Find: BD

    A. 2
    B. 5
    C. 7
    D. 25
    Attached Thumbnails Attached Thumbnails circle help-pic-29.jpeg  
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Super Member
    earboth's Avatar
    Joined
    Jan 2006
    From
    Germany
    Posts
    5,829
    Thanks
    123
    Quote Originally Posted by dgenerationx2 View Post
    pic 29 might have the question in it. but i also wrote it down.

    29. Given: BC is tangent to circle A;

    BC = 4, AC = 3

    Find: BD

    A. 2
    B. 5
    C. 7
    D. 25
    Triangle ABC is a right triangle. Use Pythagorean theorem to calculate the hypotenuse AB.

    The distance BD = AB - AC.

    Note that AC is the radius of the circle. I've got BD = 2
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Circle, tangent line, and a point not on the circle
    Posted in the Pre-Calculus Forum
    Replies: 5
    Last Post: March 31st 2011, 01:40 PM
  2. Replies: 6
    Last Post: July 8th 2010, 05:39 PM
  3. Replies: 7
    Last Post: March 15th 2010, 04:10 PM
  4. Replies: 2
    Last Post: February 6th 2010, 08:31 AM
  5. Replies: 0
    Last Post: October 12th 2008, 04:31 PM

Search Tags


/mathhelpforum @mathhelpforum