# GBK Geometry - PowerPoint PPT Presentation

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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).

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GBK Geometry

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## GBK Geometry

Jordan Johnson

### Today’s plan

• Greeting

• Warm-up: Pre-write

• 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 parallelogram is…

• 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.

• 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!