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Find the sum of the interior angles of a (an):

Find the sum of the interior angles of a (an):. decagon. 180(10 – 2) = 1440˚. Find the measure of one exterior angle of a regular:. pentagon. 360 = 72˚ 5. List all quadrilaterals that have:. Opp angles supplementary. Rectangle, square, isos trap.

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Find the sum of the interior angles of a (an):

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  1. Find the sum of the interior angles of a (an): decagon 180(10 – 2) = 1440˚

  2. Find the measure of one exterior angle of a regular: pentagon 360= 72˚ 5

  3. List all quadrilaterals that have: Opp angles supplementary Rectangle, square, isos trap

  4. Find the distance and the midpoint between: (2, -7) (14, 9) D = 20 M (8, 1)

  5. List all quadrilaterals that have: Diagonals that bisect angles rhombus, square

  6. Find the distance and the midpoint between: (0, -9) (-5, 3) D = 13 M (-2.5, -3)

  7. Find the sum of the interior angles of a (an): nonagon 180(9 – 2) = 1260˚

  8. Find the distance and the midpoint between: (-2, 7) (6, 1) D = 10 M (2, 4)

  9. Find the measure of one interior angle of a regular: hexagon 180(6 – 2) = 120˚ 6

  10. Find the measure of one interior angle of a regular: decagon 180(10 – 2) = 144˚ 10

  11. List all quadrilaterals that have: perpendicular diagonals rhombus, square

  12. Find the measure of one interior angle of a regular: dodecagon 180(12 – 2) = 150˚ 12

  13. List all quadrilaterals that have: Diagonals that bisect each other Parallelogram, rectangle, rhombus, square

  14. Find the measure of one exterior angle of a regular: 20-gon 360= 18˚ 20

  15. Find the measure of one interior angle of a regular: 18-gon 180(18 – 2) = 160˚ 18

  16. Find the sum of the interior angles of a (an): hexagon 180(6 – 2) = 720˚

  17. Find the measure of one exterior angle of a regular: 18-gon 360= 20˚ 18

  18. Find the sum of the interior angles of a (an): 15-gon 180(15 – 2) = 2340˚

  19. Find the measure of one exterior angle of a regular: nonagon 360= 40˚ 9

  20. List all quadrilaterals that have: Congruent diagonals Rectangle, square, isos trap

  21. Find the sum of the interior angles of a (an): octagon 180(8 – 2) = 1080˚

  22. Find the distance and the midpoint between: (7, -10) (-1, 5) D = 17 M (3, -2.5)

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