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27 Cards in this Set
- Front
- Back
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Vertically opp. angles |
are equal |
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Angles on st. line |
add to 180 degrees |
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Angles at a point |
add to 360 degrees |
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Corresponding angles on parralel lines |
are equal |
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Alternate angles on parallel lines |
are equal |
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Co- int angles on parallel lines |
add to 180 degrees |
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Angles in a triangle |
add to 180 degrees |
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Base angles of isos triangle |
are equal |
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Angles in equilateral triangles |
are 60 degrees |
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Interior angles of an n sided irregular polygon |
add to 180(n-2) |
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Exterior angles of any irregular polygon |
add to 360 degrees |
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Regular polygons |
have equal sides and angles |
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Similar polygons |
Have the same sides. Sides are in proportion |
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The angle at the centre |
is twice the angle at the circumference |
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Angles on the same arc |
are equal |
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Tangent to a circle |
is perpendicular to the radius |
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Opp. angles in a cyclic quadrilateral |
add to 180 degrees |
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Exterior angles in a cyclic quadrilateral |
is equal to the opposite interior angle |
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Pythagoras Theorem |
relationship between 3 sides of a triangle a squared+ b squared =c squared |
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Hypotenuse |
longest side |
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Adjacent |
the side next to given angle |
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Opposite |
The opposite of given angle |
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SOH-CAH-TOA |
Sin=O/H Cos=A/H Tan=O/A |
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< |
less than |
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> |
greater than |
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< |
less than or equal to |
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> |
greater than or equal to |
