# geometry/notes 11.1

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• 1. Areas of Polygons and CirclesChapter 11
• 2. Areas of ParallelogramsSection 11.1
• 3. Areas of Parallelograms How do I find the perimeters and areas of parallelograms? How do I tell if a points on a coordinate plane define a parallelogram?
• 4. Parallelogram Review Parallelogram Quadrilateral with opposite sides parallel. Opposite sides and angles are congruent.
• 5. Perimeter Perimeter: sum of all the sides
• 6. Area of a Parallelogram
• 7. Example Find the perimeter and area of parallelogram RSTU.
• 8. Example Find the perimeter and area of parallelogram DEFG.
• 9. Application The Kanes are planning to sod 200 ft some parts of their yard. Find the number of square yards of grass needed. 150 ft
• 10. Application The Wagners are planning to put hardwood floors in their dining room, living room, and kitchen. Find the number of square yards of wood needed.
• 11. Coordinate Plane Plot: A(-2, 3), B(4, 1), C(3, -2), and D(-3, 0) on the Coordinate Plane. Is the quadrilateral a square, rectangle, or parallelogram? b) Find the area of the figure.
• 12. Coordinate Plane Plot: A(-1, 1), B(1, 4), C(5, 4), and D(3, 1) on the Coordinate Plane. Is the quadrilateral a square, rectangle, or parallelogram? b) Find the area of the figure.
• 13. Homework Page 598 #12 26 Even
• 14. Lesson Plan Intro Areas of parallelogram Standards- 10.1 Supplies slides, whiteboard, note sheets Timing: One day for notes, one day for a combined review of 10.1 and 10.2 followed by a quiz Day 1: Essential Questions- slides 3 Input-slides 4, - 6 Guided Practice - slides 7 - 12 Independent Practice bookwork