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## PowerPoint Slideshow about ' GBK Geometry' - fairly

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### GBK Geometry

Jordan Johnson

Today’s plan

- Greeting
- Warm-up: Pre-write
- Lesson: Quadrilaterals & Parallelograms
- Homework / Questions
- Clean-up

Warm-up pre-write: QLs

- Take out your supplies (compass, straightedge, protractor, 2 pen/pencil colors, paper, textbook).
- Write name/date/period on a half-sheet of paper, and do the following:
- Complete these definitions:
- A quadrilateral is…
- A parallelogram is…

- Draw an equiangular quadrilateral.
- Sketch a hexagon and draw two of its diagonals.

Definitions

- In any polygon...
- consecutive sides are those that intersect.
- consecutive angles are those having a common side.
- consecutive vertices are endpoints of the same side.
- diagonals are segments connecting non-consecutive vertices.

- In quadrilaterals:
- Sides that do not intersect are called opposite sides.
- A rectangle is a quadrilateral with four right angles.

Parallelograms

- A parallelogram is a quadrilateral whose opposite sides are parallel.
- What kind of symmetry does it have?

Homework

- 25+ min:
- Finish Asg #50 (Ch. 6 AR) if not already done

Clean-up / Reminders

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

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