Math Formulas - Formula Reference Sheet Shape Triangle...

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Formula Reference Sheet Formulas for Area ( A ) and Circumference ( C ) Triangle A 5 1 2 bh 5 1 2 3 base 3 height Trapezoid A 5 1 2 ( b 1 + b 2 ) h 5 1 2 3 sum of bases 3 height Parallelogram A 5 bh 5 base 3 height Circle A 5 π r 2 5 π 3 square of radius C 5 2 π r 5 2 3 π 3 radius C 5 π d 5 π 3 diameter Rectangle A 5 lw 5 length 3 width Rectangular Prism General Prisms Right Circular Cylinder Square Pyramid Right Circular Cone S V 5 lwh 5 length 3 width 3 height SA 5 2 lw 1 2 hw 1 2 lh 5 2(length 3 width) 1 2(height 3 1 2(length 3 height) S V 5 Bh 5 area of base 3 height SA 5 sum of the areas of the faces S V 5 1 3 Bh 5 1 3 3 area of base 3 height SA 5 B 1 1 2 P l 5 area of base 1 ( 1 2 3 perimeter of base 3 slant height) S V 5 Bh = area of base 3 height SA 5 2 B 1 Ch 5 (2 3 area of base) 1 (circumference 3 height) Shape Formulas for Volume ( V ) and Surface Area ( SA ) Figure S V 5 1 3 Bh 5 1 3 3 area of base 3 height SA 5 B 1 1 2 C l 5 area of base 1 ( 1 2 3 circumference 3 slant height) Sphere S V 5 4 3 π r 3 5 4 3 3 π 3 cube of radius SA 5 4 π r 2 5 4 3 π 3 square of radius 41830
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Standard Form: A x 1 B y 5 C where A and B are not both zero Slope-Intercept Form: y 5 mx 1 b or y 5 b 1 mx where m 5 slope and b 5 y -intercept Point-Slope Form: y y 1 5 m ( x x 1 ) where m 5 slope, ( x 1 , y 1 ) 5 point on line Equations of a Line Coordinate Geometry Formulas Let ( x 1 , y 1 ) and ( x 2 , y 2 ) be two points in the plane. slope 5 y 2 y 1 x 2 x 1 where x 2 Þ x 1 midpoint 5 xxyy 1212 22 + + , distance 5 ( x 2 x 1 ) 2 + ( y 2 y 1 ) 2 d 5 rt distance 5 rate × time Distance Traveled Polygon Angle Formulas Sum of degree measures of the interior angles of a polygon: 180( n – 2) Degree measure of an interior angle of a regular polygon: 180 2 ( ) n n where n is the number of sides of the polygon I 5 prt interest 5
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Math Formulas - Formula Reference Sheet Shape Triangle...

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