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second quarter

vocabulary

TermDefinition
Circle set of points equal distance from the center, closed curve, 360 degrees
Circumference distance around the outside of a circle
Radius distance from the center of a circle to the edge, 1/2 way across
Diameter distance across a circle through the center, all the way across
Pi 3.14
Area of a Circle A= pi x radius x radius
Circumference of a Circle C = pi x diameter
volume number of cubic units that fill a container, 3D
Capacity amount a container will hold when full
Prism a solid figure with 2 parallel faces that are polygons of the same shape
Rectangular Prism prism with rectangular faces
Triangular Prism prism with triangular faces
Cube prism with square sides and faces
Cylinder solid figure with 2 equal circular bases that are parallel
Cone solid figure with a circular base connected to a vertex (point)
Sphere solid figure with a curved surface in which all points on the surface are equal distance from the center
volume of a rectangular prism v = length x width x height
volume of a cube v = length x width x height
volume of a triangular prism v= 1/2 base x height x Height
volume of a cylinder v = 3.14 x r x r x H
volume of a cone v = 1/3 x 3.14 x r x r x H
volume of a sphere v = 4/3 x 3.14 x r x r x r
Created by: ppearson
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