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JoseMadrid

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jm847183's version from 2016-04-12 21:21

Section

Question Answer
circumference C=2πR C=πD Length=cm,m,in,ft
area of a squareA=S2 A=LxW A=BxH units2,cm3,m2,ft2
area of a rectangleA=LxW A=BxH units2,cm2,in2,ft2,m2
area of triangleA=1/2BxH base+height have to meet at 90 degrees units2,cm2,in2,ft2,m2
area of a parallelogram A=BxH base+height have to meet at 90 degrees units2,in2,ft2,m2
area of a trapezoid A=1/2H(B1+B2) B1+B2 have to be parallel B+H have to meet at 90 degrees.
area of a circle A=πR2 units2,cm2,in,ft2
radiusLine segment from the edge the circle R=1/2xD
diameterLine segment from edge going though the center of the circle D=2R
complementary angles 2 4S that when added equal to 90 degrees
supplementary angle2 4S that when added equal to 180 degrees
adjacent angles2 4S that are next to each other share a verx of 180 degrees.
memorize