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Gravity
Key Concepts:
Terms in this set (22)
length
Usually the longer side
width
Usually the shorter side
height
how tall a figure measures
base
the bottom of a 3-D figure; length x width
volume
the amount of space an object takes up
cube
A prism with six square faces
rectangular prism
a prism that has rectangular bases
face
any of the surfaces of a 3-D figure
3-D
three dimensional
having height, width, and depth
area
the amount of space a 2 dimensional figure takes up. always units squared
circumference
distance around the outside of a circle.
polygon
at least 3-sided, closed, simple figure whose sides are line segments.
prism
a solid with parallel congruent polygons for bases and parallelograms for faces.
right rectangular prism
a prism where all of the lateral faces are rectangles.
sphere
the set of all points in a three-dimensional space that are equidistant from a fixed point called a center.
hemisphere
half of a sphere.
volume
the amount of space contained in a solid; measured in cubic units.
cone
a solid (3-dimensional) object with a circular flat base joined to a curved side that ends in an apex point.
cylinder
a solid object with:
• two identical flat ends that are circular or elliptical
• and one curved side.
radius
the distance from the center to the circumference of a circle; it is half of the circle's diameter.
diameter
a straight line going through the center of a circle connecting two points on the circumference.
lateral face
face in a prism or pyramid that are not bases.
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