click below
click below
Normal Size Small Size show me how
grid & polygons
5.G.3&4
Term | Definition |
---|---|
rectangle | A parallelogram with four right angles |
rhombus | A parallelogram with all sides the same length |
square | A rectangle with all sides the same length |
generalization | A general statement Example: A generalization about rectangles applies to all rectangles. |
trapezoid | A quadrilateral that has exactly one pair of parallel sides |
obtuse triangle | A triangle in which one angle is an obtuse angle |
acute triangle | A triangle whose angles are all acute angles |
right triangle | A triangle in which one angle is a right angle |
scalene triangle | A triangle in which no sides have the same length |
isosceles triangle | A triangle with two sides of the same length |
equilateral triangle | A triangle whose sides all have the same length |
octagon | A polygon with 8 sides |
hexagon | A polygon with 6 sides |
pentagon | A polygon with 5 sides |
quadrilateral | A polygon with 4 sides |
triangle | A polygon with 3 sides |
regular polygon | A polygon that has sides of equal length and angles of equal measure |
polygon | A closed plane gure made up of line segments |
coordinate grid | A grid that makes it easy to locate points on a plane by using an ordered pair of numbers. |
x-axis | The horizontal axis in a graph or coordinate grid. |
y-axis | The vertical axis in a graph or coordinate grid. |
origin | The point at which the x-axis and the y-axis of a coordinate plane intersect. The origin is represented by the ordered pair (0, 0). |
ordered pair | A pair of numbers used to locate a point on a coordinate grid. |
x-coordinate | The first number in an ordered pair which names the distance from the origin along the x-axis. |
y-coordinate | The second number in an ordered pair which names the distance from the origin along the y-axis. |
heptagon | A polygon with 7 sides |