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Geometry (Quadrilateral (Rectangle, Square, Kite, Rhombus, Trapezoid, Any…
Geometry
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Parallel Lines
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On a rectangle there would be one arrow head on the horizontal lines and two arrow heads lines on the vertical lines to show that there are two pairs of parallel lines
If you put a straight line through the lines that will never cross they just go straight and if there is multiple pairs of lines that will never meet then the pairs get 2 lines to show that they are parallel
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Complimeteray Angles
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If there is a triangle that has one angle of 68° and you need to know what the other angle is all you have to do is subtract the angle you know (90 - 68 = 22) so then you have the other angle that when added together equal 90°.
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Bisector
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If you have a 180° angle then imagine putting a straight line right through the center to create two even angles
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Pythagorean Theorem
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a = 2 and b= 3 then it would be 4 (because 2 multiplied by itself is 4) and 9 (because 3 multiplied by 3 is 9) so that means c = 13 (a squared + b squared =c)
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Perpendicular Lines
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If you had a 180° angle and a line straight in the middle going vertical it would be called the perpendicular line because it is making the 180° angle in a 90° angle by splitting it in half
Transversal
A line that passes through two or more lines that create multiple angles on each sides of the two lines and the transversal line that goes through the other lines
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Alternate Angles
A pair of angles that are on the inner side of the two lines on the transversal but on opposite sides
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Corresponding Angles
Angles that are on the same side of the transversal that is what cuts the two line, and the angles are on the same side of the different angles
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