Results 1 to 4 of 4

Math Help - RightAngels / Verticies

  1. #1
    Newbie
    Joined
    Feb 2008
    Posts
    5

    Thumbs up RightAngels / Verticies






    Follow Math Help Forum on Facebook and Google+

  2. #2
    Member
    Joined
    Dec 2007
    Posts
    131
    Do you really expect someone to do all of that HW for you? It would help if you told us what exactly you were having trouble with. I will do one of them though and maybe you can figure out some of the others...

    2. Given: \vartriangle RST with vertices R = ( - 1, - 1), S = ( - 1, 3), & T = ( 3,  1)
    Find \left| {RT} \right|.

    The formula for the distance between two points A=(x_0,y_0) & B=(x_1,y_1) is \sqrt {(x_1  - x_0 )^2  + (y_1  - y_0 )^2 }.

    So we have \sqrt {(3 - ( - 1))^2  + (1 - ( - 1))^2 }  = \sqrt {(3 + 1)^2  + (1 + 1)^2 }  = \sqrt {16 + 4}  = \sqrt {20}  \approx 4.5

    The correct answer is (d).
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Newbie
    Joined
    Feb 2008
    Posts
    5

    Exclamation

    i want the answers then ill tell u what i had trouble with, for the explanation
    Follow Math Help Forum on Facebook and Google+

  4. #4
    MHF Contributor

    Joined
    Aug 2006
    Posts
    18,712
    Thanks
    1642
    Awards
    1
    Quote Originally Posted by Damrau06 View Post
    i want the answers then ill tell u what i had trouble with, for the explanation
    What sort of fools do you think we are?
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 4
    Last Post: October 2nd 2008, 06:28 AM
  2. Graph with n verticies
    Posted in the Discrete Math Forum
    Replies: 4
    Last Post: May 8th 2008, 12:55 PM

Search Tags


/mathhelpforum @mathhelpforum