Middle Measurement Unit Key Vocabulary
From NCSC Wiki
- Acute triangle - a triangle where all three angles are acute (less than 90°)
- Area - the measure of the size of the surface of a two-dimensional figure; measured in square units
- Base - side of a plane figure or face of a solid, particularly one perpendicular to the direction height is measured
- Complex shape - a figure that includes the elements of two or more simple shapes (triangles, rectangles, squares, circles)
- Cubic centimeter - the volume equal to a cube one centimeter on each side
- Cubic foot - the volume equal to a cube one foot on each side
- Cubic inch - the volume equal to a cube one inch on each side
- Cubic unit - a unit of measurement of volume or capacity
- Edge - a line segment joining two adjacent vertices in a two-dimensional figure or a shared boundary between two faces of a three-dimensional figure
- Equilateral triangle - triangle in which all three sides are equal in length
- Face - a flat surface of a three dimensional figure
- Height - the perpendicular distance of a two- or three- dimensional shape from the base to the opposite vertex
- Length - a measurement of the distance from one point to another
- Net - a flattened three-dimensional figure that can be turned into a solid by folding it
- Obtuse triangle - a triangle that has one internal angle greater than 90°
- Quadrilateral - a polygon that has four sides
- Parallel lines - two lines that lie in the same plane and maintain the same distance apart over their entire length, and never intersect
- Rectangle - a quadrilateral (four-sided figure) with four right angles
- Rectangular prism - a three-dimensional figure of which all faces are rectangles
- Right angle - an angle of exactly 90°
- Right triangle - a triangle containing an angle of 90°
- Square - a rectangle with four congruent sides
- Square foot - the area equal to a square one foot on each side
- Square inch - the area equal to a square one inch on each side
- Square meter - the area equal to a square one meter on each side
- Square unit - a unit of measurement of area
- Surface area - the total area of all the faces or surfaces of a three-dimensional figure
- Trapezoid - a quadrilateral that has exactly one pair of parallel sides
- Vertices - plural for vertex, the common point where two sides or edges meet
- Volume - a measure of the number of cubic units needed to fill the space inside an object
- Width - the minimum distance between parallel lines of a figure