Library / /19 of 183

, 2019

Geometry Difficulty 1.1 Junior Find the answer Canada

In the diagram, square $PQRS$ is divided into four identical squares.

What percentage of square $PQRS$ is shaded?

Pick one

Solution

One of four identical squares is shaded and so the fraction of square $PQRS$ that is shaded is $\tfrac14$ which is equivalent to $25\%$ .

Want a route through all this instead of an archive? The track puts 2,444 problems in a working order, from Junior Challenge level to the IMO shortlist.

Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project.