FORMULAS

AREA

L = Legnth W= Width H= Hieght P= Pi B = Base SQUARE = L x L OR  L RECTANGLE = L x W PARALLEGRAM = B x H TRAPEZOID = H/2 x (TOP B x BOTTOM B) CIRCLE = Pr TRIANGLE = (B x H) / 2

2

2

SURFACE AREA

L = Legnth W= Width H= Hieght P= Pi B = Base CUBE = 6 x L SPHERE = 4 P r

2

2

VOLUME

L = Legnth W= Width H= Hieght P= Pi B = Base CUBE = L RECTANGULAR PRISM = L x W x H IRREGULAR PRISM = B x H CYLINDER = P r     x H PYRAMID = (B x H) \ 3 CONE = (P r      x H) / 3 SPHERE = (4/3) x Pr

3

2

2

3

PERIMETER

L = Legnth W= Width H= Hieght P= Pi B = Base SQUARE = 4L RECTANGLE = 2(SIDE A) + 2(SIDE B) TRIANGLE = (SIDE A) + (SIDE B) + (SIDE C) CIRCLE = 2 Pr  (circumference)                   also P x D (D = Diameter)