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| Part of a linethat has one endpoint and extends forever. |
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| Two rays with common endpoint. |
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| less than 90 degree angle. |
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| Has a measure greater than 90°but less than 180°. |
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| Has a measure of exactly 180° |
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| Two angles whose measures add up to 90°. |
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| A tool for measuring angels. |
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| Two angles that have equal measures. |
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| Two angles whose measures add up to 180. |
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| is an infinite flat surface. |
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| Lines in a ina plane that never meet. |
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| A line intersecting two or more lines. |
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| Alternate interior angles |
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| A pair of angles formed by lines and |
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| Angles formed by two lines and a transversal. |
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| Angles on oppsite sides of a intersecting of two lines. |
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| The point that divides a segments into two congruent smaller segments. |
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| Two segments that have a equal lengths. |
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| One pair of parallel sides. |
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| Oppisite sides the same length all angles 90°. |
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| Oppisites sides are the same length and parallel. |
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| All sides lenghth oppisite sides are parallel |
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| 3 Types of Triangle Triangle |
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Definition
Acute- has 3 angle
Right-has1 right angle
Obtuse-has 1 obtuse angle
the sum of all the angles of triangle will will=180°. |
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Equalateral- has three sides the same lenghth
Isosceles- has three sides the same length.
Scalene- no sides the same length. |
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| Outside adding p=sum of all sides |
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| the number of square used inside inside a shape. |
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