Art of Problem Solving

2008 CEMC Gauss (Grade 8) Problems/Problem 3: Revision history

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20 October 2025

1 October 2025

  • curprev 11:2011:20, 1 October 2025 Anabel.disher talk contribs 588 bytes +588 Created page with "==Problem== In the diagram, <math>\angle PQR = 90^{\circ}</math>. {{Image needed}} The value of <math>x</math> is <math> \text{ (A) }\ 30 \qquad\text{ (B) }\ 60 \qquad\text{..."