Maths Olympiad Prep

Library / UKMT Junior Kangaroo /71 of 243

UKMT Junior Kangaroo, 2021

Geometry Difficulty 1.0 Junior Find the answer United Kingdom

Each square in the grid shown is 1 cm by 1 cm. What is the area of the shaded figure, in cm2\text{cm}^2?

(A) 1414 (B) 1515 (C) 1616 (D) 1717 (E) 1818

Figure for this problem

We don't reproduce this publisher's solutions. Their own solution is here — work the problem first.
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.