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# 5 geometry and measurement

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• 1. Geometry and Measurement
5th Grade MCA Vocabulary
• 2. height
How tall something is.
By J. Scheumann and C. Sorenson 2011
• 3. height of a parallelogram
One of the sides of a parallelogram; also the length of this side.
By J. Scheumann and C. Sorenson 2011
• 4. height of a rectangle
One of the sides of a rectangle; also length of this side. The length of the side perpendicular to the base is the height of a rectangle.
By J. Scheumann and C. Sorenson 2011
• 5. height of 3-dimensional figure
One face or a pair of faces on the figure. The height is the length of a line segment drawn perpendicular to a base of the figure that extends from the base to the opposite face or vertex.
By J. Scheumann and C. Sorenson 2011
• 6. height of a triangle
One of the sides of a triangle; also, the length of its side. The shortest distance between the base and the vertex opposite the base is the height of a triangle.
By J. Scheumann and C. Sorenson 2011
• 7. edge
A line segment where two faces of a polyhedron meet.
By J. Scheumann and C. Sorenson 2011
• 8. face
face
A flat surface that bounds a 3-dimensional shape.
By J. Scheumann and C. Sorenson 2011
• 9. base
base
Any side of a polygon, usually used, along with the altitude perpendicular to it, for computing area.
2. The flat face of faces that define the shape when classifying polyhedrons.
By J. Scheumann and C. Sorenson 2011
• 10. base of a parallelogram
One of the sides of a parallelogram; also the length of this side.
By J. Scheumann and C. Sorenson 2011
• 11. base of a polygon
The side on which the polygon “sits”; the side that is perpendicular to the height of the polygon.
By J. Scheumann and C. Sorenson 2011
• 12. base of a polyhedron
The “bottom” face of a polyhedron; the face whose shape is the base for classifying a prism or pyramid.
By J. Scheumann and C. Sorenson 2011
• 13. base of a rectangle
One of the sides of a rectangle; also length of this side. The length of the side perpendicular to the base is the height of a rectangle.
By J. Scheumann and C. Sorenson 2011
• 14. base of 3-dimensional figure
One face or a pair of faces on the figure. The height is the length of a line segment drawn perpendicular to a base of the figure that extends from the base to the opposite face or vertex.
By J. Scheumann and C. Sorenson 2011
• 15. base of a triangle
One of the sides of a triangle; also, the length of its side. The shortest distance between the base and the vertex opposite the base is the height of a triangle.
By J. Scheumann and C. Sorenson 2011
• 16. formula
A formula for distance traveled
can be written as d = r * t
where the variable d
stands for distance,
r for speed, and t for time.
A general rule for finding the value of something. A formula is often written in abbreviated form with letters, called variables.
By J. Scheumann and C. Sorenson 2011
• 17. volume
The measure of the amount of space a 3-dimensional shape takes up.
By J. Scheumann and C. Sorenson 2011
• 18. surface area
The total area of the surface of a three-dimensional object
• 19. net
A pattern that you can cut and fold to make a model of a solid shape/
• 20. triangular prism
A prism whose bases are triangles.
• 21. triangular pyramid
A pyramid whose bases (faces) are triangles.
• 22. 3-dimensional (3-D)
Objects with thickness, length and width.
• 23. cubes
A polyhedron with six square faces. One regular polyhedron.
• 24. prism
A polyhedron with two parallel flat faces (bases) with the same size and shape.
• 25. pyramid
A polyhedron
(3-dimensional shape) in which one face (base) is a polygon and the other faces are triangles with a common vertex (apex).
• 26. cone
apex
curved surface
base
A 3-dimensional shape having a circular base, a curved surface, and one vertex, called the apex.
• 27. cylinder
A 3-dimensional shape having a curved surface and parallel circular or elliptical bases that are the same size.