Related Clues:

• Protractor's measure
• It may be right, but not left
• Photographer's concern
• Trigonometric function
• Trig topic
• Right ___
• Trig measure
• It may be acute or obtuse
• Fish with hook and line
• Ulterior motive
• Wave producer
• Protractor measurement
• Latin preposition
• It may be acute
• Ratio involving a hypotenuse