1. PF Contest - Win "Conquering the Physics GRE" book! Click Here to Enter
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Type of quadrilateral

  1. Jun 17, 2015 #1
    1. The problem statement, all variables and given/known data
    If angles of a quadrilateral are in the ratio 2:7:2:7, then the quadrilateral is?
    a) Square
    b) Rectangle
    c) Rhombus
    d) Parallelogram

    2. Relevant equations
    2x+7x+2x+7x= 360

    3. The attempt at a solution
    Since two pairs of opposite angles of a quadrilateral are equal, hence it must be a parallelogram...
    The book says rhombus as an answer... The book is wrong... Right?
  2. jcsd
  3. Jun 17, 2015 #2


    User Avatar
    Science Advisor
    Homework Helper

    Right. It has to be a parallelogram. It doesn't have to be a rhombus (though it might be).
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted