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GBK Geometry

GBK Geometry. Jordan Johnson. Today’s plan. Greeting Practice Quiz: sin, cos, tan Work / Questions Clean-up. Practice Quiz: Find the unknown side lengths. Practice Quiz: Find the unknown side lengths. sin 56° = 3 ⁄ AC AC  3.6187  3.6. 4. 2 3. tan 56° = 3 ⁄ AB

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GBK Geometry

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  1. GBK Geometry Jordan Johnson

  2. Today’s plan • Greeting • Practice Quiz: sin, cos, tan • Work / Questions • Clean-up

  3. Practice Quiz:Find the unknown side lengths

  4. Practice Quiz:Find the unknown side lengths sin 56° = 3⁄AC AC  3.6187 3.6 4 23 tan 56° = 3⁄AB AB  2.0235  2.0 cos 70° = AB⁄3.8 AB  1.2997  1.3 sin 70° = BC⁄3.8 BC  3.5708  3.6

  5. Work • Now and 25+ minutes tonight, work on: • Writing your example proof. • Assembling your portfolio. • Assignments #75-80. • Asgs #75-76 have problems about similar right triangles. • Asgs #77-78 are about the Pyth. Thm. and special triangles. • Asgs #79-80 are about trigonometry. • Study guide problems. • Need other material for practice? Let me know.

  6. Clean-up / Reminders • Pick up all trash / items. • Push in chairs (at front and back tables). • See you tomorrow!

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