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X two minus X one divided by two
Y two minus Y one divided by two |
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| 2 different rays with the same endpoint |
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| allows us to measure angles |
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| geometric rules that must be proved to be true are _____. |
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| when you are finding the midpoint of a segment using the midpoint formula, you are actuall finding _____. |
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| two distinct planes intersect form a ____. |
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| points T & E are the _____ of TE |
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| OA & OD are opposite rays |
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| sum of 2 angles = 90 degrees |
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| sum of 2 angles = 180 degrees |
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| 2 angles share a common vertex & side, but have no common interior points |
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a closed figure
1) formed by 3+ sides
2) sides, one at each endpoint, so that no two sides with a common endpoint are collinear |
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equilateral, equiangular
ex: square, stopsign |
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