Related Clues:

• Two-to-one, e.g.
• 4 to 1, e.g.
• Cosine or secant, e.g.
• Betting odds, for example
• Gear computation
• Correlation
• 2-to-1, e.g.
• Pi, for one
• Three to one, e.g.
• Tangent or secant, e.g.
• Comparative figure
• 9 to 5, e.g.
• Architect's reduced-size reproduction
• Pi, but not rho
• 1/2, for one