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chp 8
all about those shapes no trouble
Question | Answer |
---|---|
what is a line segment? | part of a line that has 2 end points |
what is a ray? | a part of a line that has one end point and keeps going i one direction forever. |
what are parallel lines? | they never cross and stay the same distance apart |
what are intersecting lines? | pass though the same point. |
what are perpendicular lines? | intersecting lines that form a square. |
what is a acute angles? | has a measure between o and 90. |
what is a right angle? | has a measure of 90 . |
what is a obtuse angle? | has a measure greater than 90. |
what is a straight angle? | has a measure of 180. |
what is a polygon? | closed plane figure made up of line segments |
what is a regular polygon? | sides of equal length and angles of equal measure. |
what is a equilateral triangle? | all sides are the same length. |
what is a isosceles triangle? | 2 sides are the same lenth |
what is a scalene triangle? | no sides are the same length. |
what is a right triangle? | one angle is a right angle. |
what is a acute triangle? | all three angles are acute |
what is a obtuse triangle? | one angle is obtuse. |
what is a parallelogram? | both pairs of opposite are parallel to each other |
what is a trapezoid? | only one pair of parallel sides. |
what is a rectangle? | a parallelogram with 4 right angles |
what is a rhombus? | a parallelogram with all sides the same length. |
what is a sguare? | a rectangle with all sides the same length. |
point | an exact location in space. |
line | a straight path of points goes on forever in both directions |
plane | an endless flat surface |