Protractor Triangle
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Often used in a combination of two, our Protractor Triangle provides a straightforward method of plotting and performing chart work. Each triangle is inscribed with black markings.
The protractor scale on the triangle can aid in drawing a bearing line on a chart, and the 90° angle is helpful when determining lines of position.
Key Features:
- 7-3/4" sides x 11" (19.69cm x 27.94cm) hypotenuse
- Protractor scale allows easy alignment with chart meridian in any direction
- Direction is maintained as one triangle is slid along the other to desired position
- 90° angle helps determine lines of position
- Made from clear, durable vinylite

Cancer and Reproductive Harm
www.P65Warnings.ca.gov