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Geometry

Geometry. By: Corinne Durocher December 24 th 2011 7 th hour. Table Of Contents. Parallel lines 1 Two Congruent Objects 2 Vertical angles 3 Perpendicular lines 4 Intersecting lines 5 Supplementary angles 6 Corresponding angles 7 Adjacent 8

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Geometry

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  1. Geometry By: Corinne Durocher December 24th 2011 7th hour

  2. Table Of Contents • Parallel lines 1 • Two Congruent Objects 2 • Vertical angles 3 • Perpendicular lines 4 • Intersecting lines 5 • Supplementary angles 6 • Corresponding angles 7 • Adjacent 8 • Obtuse angle 9 • Regular polygon 10 • Vertex angle 11 • Isosceles triangle 12 • Right triangle 13 • Hypotenuse 14 • Pythagoras 15

  3. Parallel Lines- Two lines that lie in the same plane and don’t intersect If the two masts were not parallel they would not be able to hold the sail up, and they would crash into the other boat.

  4. Two congruent objects- Two objects that have the same angles and sides If everyone's sails were not congruent then some boats would go faster or slower than the others and the race would not be fair.

  5. Vertical angles- Two angles whose sides form two pairs of opposite rays If the sail threads were not made vertical then the sail would not be able to hold under the pressure of the wind.

  6. Perpendicular lines- lines that intersect and form right angles If the sails batons were not perpendicular the sail would not fill with wind and it would not be strong and the sail would flop around everywhere.

  7. Intersecting lines- two lines that intersect at one point It is important that the lines intersect because the horizontal piece of the mast holds up the side stays which hold up the sail. So without these lines intersecting you could not put up the sail.

  8. Supplementary angles- two angles with the sum of 180 If this girl was not at a 180 degree angle the boat would capsize. She is keeping it up by keeping her body straight.

  9. angle1 Angle 2 Corresponding angles- angles that lie on the same side of the transversal If angle 1 did not correspond to angle two then the sail would be on the wrong side of the boat.

  10. Adjacent Two coplanar angles that have a common side and a common vertex but no common interior points.

  11. Obtuse angle Angles that are greater than 90 and less than 180 degrees.

  12. Regular polygon A polygon that is both equilateral and equiangular.

  13. Vertex angle An angle between and isosceles triangle.

  14. Isosceles triangle A triangle with at least two congruent sides

  15. Right triangle An angle whose measure is 90 degrees

  16. Hypotenuse A side of a right angle opposite of a right angle

  17. Pythagoras A set of nonzero whole numbers that satisfy the equation c²=a²+b²

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