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Definition
| a part of a line that lies between two endpoints |
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Definition
a part of a line with one end point and one continuing side
always named with endpoint first |
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Definition
| coplanar lines that never intersect |
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| non-coplanar lines that never intersect |
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| planes that never intersect |
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| segment addition postulate |
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Definition
if three points ABC are colinear and one (B in this equation) is inbetween the outside points then...
AB + BC = AC |
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Definition
draw a picture
show my complete work
double check my answers
practice practice practice |
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Term
| what are three ways to graph lines and points |
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Definition
on a number line
on a coordinate plane
in space |
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| coordinate plane: distance formula |
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Definition
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Term
| coordinate plane: midpoint formula |
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Definition
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Definition
| an average, the center point between two points. |
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| graphing on a line: distance formula |
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Definition
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| segment addition postulate |
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Definition
| if A B & C are colinear and B is between A & C, then AB + BC = AC |
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Definition
| a bisector intersects at the midpoint of a line, segment, or ray and splits it into two congruent parts |
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Definition
| a ray that divides an angle into two congruent, coplanar angles |
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Definition
| coplanar angles with a common vertex and side, but no common interior points |
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Definition
| non adjacent angles formed by intersecting lines (always congruent) |
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Definition
| two adjacent angles whose sides form a straight angle/line |
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Definition
| two lines that intersect to make right angles |
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Definition
| a line segment or ray that is perpendicular to the segment at its midpoint cutting the segment into two congruent segments |
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Definition
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| two rays with the same endpoint |
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| graphing on a line: midpoint |
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Definition
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Term
| graphing in space: distance formula |
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Definition
| √(x¹+x²)² + (y¹+y²)² +(z¹+z²)² |
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Term
| graphing in space: midpoint formula |
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Definition
| ((x¹+x²)/2 , (y¹+y²), (z¹+z²)/2) |
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