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Math Vocab Geo/Graph
March 16-27
Question | Answer |
---|---|
acute angle | An angle whose measure is less than 90 degrees. |
angle | Two rays that have the same endpoint. |
average | The number found by adding all the data and dividing by the number of data. Also called the mean. |
bar graph | A graph that uses bars to show data. |
circle graph | A graph in the shape of a circle that shows what part of the whole each portion of the data represents. |
cone | A solid with one circular base, the points on the circle are joined to one point outside the base. |
congruent figures | Figures that have the same size and shape. |
cylinder | A solid figure with two circular bases that are congruent and parallel. |
data | Collected information. |
expanded form | A way to write a number that shows the place value of each digit. |
hexagon | A polygon with 6 sides. |
intersecting lines | Lines that pass through the same point. |
isosceles triangle | A triangle with at least two sides of the same length. |
line | A set of points that goes on forever in two directions. |
line graph | A graph that connects points to show how data change over time. |
line of symmetry | The fold line in a symmetric figure |
line segment | Part of a line having two endpoints |
mean | The number found by adding all the data and dividing by the number of data. Often called the average. |
median | The middle number in an ordered set of data. |
mode | The data value that occurs most often in a set of data. |
obtuse angle | An angle whose measure is between 90 degrees and 180 degrees. |
octagon | A polygon with 8 sides |
parallel lines | Lines that never cross and are the same distance apart. |
parallelogram | A quadrilateral with both pairs of opposite sides parallel. |
pentagon | A polygon with 5 sides |
perpendicular lines | Two lines that intersect to form right angles. |
pictograph | A chart using pictures or symbols to compare data that can be counted. |
plane | An endless flat surface. |
polygon | A closed plane figure made up of line segments |
pyramid | A solid figure with a base that is a polygon and whose faces are triangles with a common vertex. |
quadrilateral | A polygon with 4 sides. |
ray | Part of a line that has one endpoint and extends forever in only one direction |
rectangle | A parallelogram with 4 right angles. |
rhombus | A parallelogram with all sides the same length |
right angle | An angle whose measure is 90 degrees. |
sphere | A solid figure with all points the same distance from the center point. |
square | A rectangle with all sides the same length. |
trapezoid | A quadrilateral that has exactly one pair of parallel sides. |
triangle | A polygon with 3 sides |