Formulas

Perimeter Polygon P = sum of the lengths of all sides Rectangle P = 2(l + w) Circumference Circle C = 2r, or C = d Area Rectangle A = lw Square A = s2 Parallelogram A = bh Triangle A = (1/2)bh Trapezoid A = (1/2)h(b1 + b2) Circle A = r2 Surface Area Cone S = r2 + rs Cylinder S = 2(r2) + (2rh) Volume Cone V = (1/3)Bh, or V = (1/3)r2h Cube V = e3 Cylinder V = Bh, or V = r2h Prism V = Bh Pyramid V = Bh Sphere V = (4/3)r3 Misc. Diameter d = 2r Pythagorean Theorem   c2 = a2 + b2 Consumer Distance traveled d = rt Simple Interest I = prt Compound Interest A = p(1 + r)n Trigonometric Ratios Sine Cosine Tangent Cotangent Cosecant Secant

 

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