# Math Vocabulary

jf839344's version from 2016-04-13 05:11

## Section

CircumferenceC= pi r
Area of a SquareA= S2
Area of a rectangle A= L x W
Area of a trapezoidA= 1/2H (B + B2)
Area of a circleA= pi r2
Radiusline segment from the edge of the circle to the center of the circle r= 1/2d
Diameterline segment from edge to edge going through the center of the circle d=2r
Complematary-2 angle5 that when added equal 90 degrees
Supplementary angles-2angles that when added equal 180 degrees
Adjacent angles-2angles that are next to each other share a vertex
Vertical angles-2angles that are opposite share the same measurements
Volume of a cubevol.= L x W x H
Volume of a rectangular prismvol.= L x W x H
Volume of a triangular prismvol.= area x width
Volume of a cylindervol.= area x height
Volume of a sphere4/3 pi r3
Surface area of a cubeS.A= 6s2
Surface area of a rectangular prismS.A= 2A + 2B + 2C
Surface area of a triangular prismS.A= 2 (1/2BH) + B x H2 + H1 - H2t
Perimeter of a triangleP= S1 + S2 + S3
Perimeter of a quadrilateralP = S1 + S2 + S3 + S4
Perimeter of a rectangle P= 2L + 2W
Perimeter of a squareP= 4s