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GBK Geometry - PowerPoint PPT Presentation


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GBK Geometry. Jordan Johnson. Today’s plan. Greeting Hand in Papers Finish Surfer Proof Write-up Review: Area Homework / Questions Clean-up. Hand in Your Proof Analysis. Hand in, stapled together (in this order from top to bottom): Final paper Two rubrics Draft paper. Area Review.

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gbk geometry

GBK Geometry

Jordan Johnson

today s plan
Today’s plan
  • Greeting
  • Hand in Papers
  • Finish Surfer Proof Write-up
  • Review: Area
  • Homework / Questions
  • Clean-up
hand in your proof analysis
Hand in Your Proof Analysis
  • Hand in, stapled together (in this order from top to bottom):
    • Final paper
    • Two rubrics
    • Draft paper
area review
Area Review
  • Find the area of:
    • ΔPQR (assuming each square is 2’ on a side)
    • Rhombus ABCD.
    • ΔCED in rhombus ABCD.
  • Show two ways to find AABCE.
  • If you have a triangle with side lengths of 4, 7, and 8, what kind of triangle is it?
test tomorrow
Test tomorrow
  • For tomorrow, know:
    • Definitions of base and corresponding altitude
      • Recognize bases & altitudes of triangles, trapezoids, and parallelograms
    • Area formulas
      • Be able to choose and use
      • Use in area-by-dissection problems
    • Pythagorean Theorem & converse
      • Find unknown sides of a right triangle
      • Classify triangles as acute, right, or obtuse
    • 1 proof at the end
homework
Homework
  • 25+ minutes tonight:
    • Practice finding areas.
      • Pentagon
      • Asg #65
      • Khan Academy area problems
clean up reminders
Clean-up / Reminders
  • Pick up all trash / items.
  • Push in chairs (at front and back tables).
  • See you tomorrow!