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Geometry Terms
Question | Answer |
---|---|
line | A continuous extent of length. |
line segment | One part of a line. |
ray | The part of a straight line considered as originating at a point on the line and as extending in one direction from that point. |
vertex | The intersection point of two sides of a plane figure. |
point | A position in space. |
obtuse angle | An angle greater than 90 degrees but less than 180 degrees. |
acute angle | An angle less than 90 degrees but greater than 0 degrees. |
right angle | A 90 degree angle |
perpendicular line segments | Two line segments which cross to form 90 degree angles. |
parallel line segments | Line segments that do not intersect. |
equilateral triangle | A triangle with all sides equal and all angles equal. |
isosceles triangle | A triangle which has two sides equal. |
scalene triangle | A triangle having three unequal sides and angles. |
intersecting line segments | Line segments that cross each other. |
chord | The line segment between two points on a given curve. |
radius | A straight line extending from the center of a circle or sphere to the circumference or surface. |
diameter | A straight line passing through the center of a circle or sphere and meeting the circumference or surface at each end. |
circle | A closed plane curve consisting of all points at a given distance from a point within it called the center. |
parallelogram | A quadrilateral having both pairs of opposite sides parallel to each other |
quadrilateral | A polygon with four sides |