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### 26 Cards in this Set

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 Lateral area of a cone Pi*radius*slant height Volume of a Cone 1/3 Pi*radius cubed*height Surface Area Sphere 4*pi*radius squared Volume Sphere 4/3 Pi*radius cubed Volume Cylinder Pi*radius squareed*Height Surface Area Cylinder 2 bases + 2*pi*radius*height Volume Prism Base area*Height Surface Area Prism 2*Base Area + Height *Periimeter of the Base Volume Pyramid 1/3 Base area*Height Midline Theorem If a segment joining the midpoints of 2 sides of a triangle is parallel to the third side, then its length is one half the length of the third side. Sum of measures of the angles in a polygon (n-2)180 Diagonals in a polygon n(n-3) ------- 2 Measure of each exterior angle of a polygon 360 ----- n Means Extremes Products theorem In a proportion, the product of the means is equal to the product of the extremes. Side-Splitter Theorem If a line is parallel to 1 side of a triangle and intersects the other 2 sides, it divides those 2 sides proportianally Distance Formula √(x2 –x1)squared +(y2–y1)squared 30, 60, 90 x x√3 2x 45, 45, 90 x x x√2 2 Tangent Theorem If 2 tangent segments are drawn to a circle from an external point, then those segments are congruent. Area Trapezoid ½h(b1+b2) Area Kite ½(d1)(d2) Area Equilateral Triangle s(squared)√3 ------------- 4 Area Regular Polygon ½ Apothem*Perimeter Hero's Formula A=√s(s-a)(s-b)(s-c) Brahmagupta's Formula A(inscribed quad)= √s(s-a)(s-b)(s-c)(s-d) Equation of a circle center= (h,k) radius = r (x-h)2+(y-k)2 =r2