Maths Olympiad Prep

Library / /63 of 165

, 2016

Geometry Difficulty 1.0 Junior Find the answer United Kingdom

The angles of a quadrilateral taken in order are xx^\circ, 5x5x^\circ, 2x2x^\circ and 4x4x^\circ. Which of the following is the quadrilateral?

(A) kite (B) parallelogram (C) rhombus (D) arrowhead (E) trapezium

Want a route through all this instead of an archive? The track puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.

Source: UK Mathematics Trust, licensed © UK Mathematics Trust; past papers published free at ukmt.org.uk. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.