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Parallelograms

Parallelograms. Recognize and apply properties of the sides of parallelograms. Bellringer. 1. How many sides does a polygon have if the sum of its interior angles is 2160°?. 2. The sum of the interior angles of a hexagon equals _____. Parallelogram. Measure all 4 sides with a ruler

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Parallelograms

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  1. Parallelograms Recognize and apply properties of the sides of parallelograms

  2. Bellringer 1. How many sides does a polygon have if the sum of its interior angles is 2160°? 2. The sum of the interior angles of a hexagon equals _____

  3. Parallelogram • Measure all 4 sides with a ruler • Measure all 4 angles with a protractor • Draw the two diagonals • Measure the length of the two diagonals • Measure the lengths of the diagonal parts • Measure the 4 angles created by the diagonals in the middle and the 8 angles created by the diagonals at the vertices of the parallelogram

  4. Properties: Opposite sides of a parallelogram are ____________

  5. Opposite angles in a parallelogram are ____________________

  6. Consecutive angles in a parallelogram are ______________

  7. If a parallelogram has one right angle, it has ______ right angles

  8. The diagonals of a parallelogram ________________________________

  9. 2b+3 K J R 3a 21 70º 30º L M 45 m<MJK= m<JML= M<JKL= m<KJL= a= b=

  10. Pg 415 (16-21)

  11. Page 415(22-31)

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