# Math TODAY - When a Ruler Isn't Enough

High schoolers use trigonometric ratios and inverse trigonometric relationships to determine the side of a triangle and the measure of the included angle.

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##### Included Materials - Join to Access

- When a Ruler Teacher Edition
- Technology Guide for When a Ruler
- TI Navigator Basic Skills
- When a Ruler Student Edition
- When a Ruler Transparency
- When a Ruler Isn't Enough
- Worksheet

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