| Geometry and Spatial Sense Standard |
| Benchmarks |
| B. | Describe and apply the properties of similar and congruent figures; and justify conjectures involving similarity and congruence.
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| I. | Use right triangle trigonometric relationships to determine lengths and angle measures.
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| Grade Level Indicators (Grade 8) |
| 3. | Use proportions in several forms to solve problems involving similar figures (part-to-part, part-to-whole, corresponding sides between figures). |
| Grade Level Indicators (Grade 9) |
| 1. | Define the basic trigonometric ratios in right triangles: sine, cosine and tangent. |
| 2. | Apply proportions and right triangle trigonometric ratios to solve problems involving missing lengths and angle sizes in similar figures. |