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12 Cards in this Set
- Front
- Back
- 3rd side (hint)
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(Sum L's tri = 180°) |
Angles in a triangle add to 180° |
Triangle angles = |
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(str line = 180°) |
A straight line = 180° |
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(vert opp L's =) |
Vertically opposite angles are equal |
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(L's @ pt = 360°) |
Angles at a point = 180° |
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(isos tri base L's =) |
Isosceles base angles are equal |
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(ext. L's of tri) |
The exterior angle is equal to the sum of the interior angles |
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(alt. L's le lines =) |
Not next to each other or under each other Form z or s |
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(corr L's ll lines =) |
Corresponding angles are equal Angles are under each other Forms an F |
F |
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(co. int L's ll lines =180°) |
Co-interior angles = 180° Angles are next to each other |
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(sum L's quad = 360°) |
Interior angles square = 180° |
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(L's in semi-circle) |
When two lines are drawn from either end of a diameter and meet at a point on the circumference the angle formed is always 90° |
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(base L's isos tri, equal radi) |
Two radi in the same circle always form an isosceles triangle |
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