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28 Cards in this Set
- Front
- Back
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Area for rectangle and parallelogrm.
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A = length * width
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Area for a triangle.
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A = 1/2 of the base * height
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Area of a circle.
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A = π (pi) * (radius squared)
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Area of a trapezoid.
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A = 1/2 (hieght) * (base one + base two)
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Circumference of a circle.
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C = π * diameter
-OR- C = 2π * radius |
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Probability.
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P(event) = favorable outcomes/ total outcomes
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Conjugate of a + √b
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a - √ b
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Surface area of a rectangular prism.
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SA = 2 * length * width + 2 * width * hieght + 2 * length * heigh
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Surface area of a cylinder.
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SA = 2 * π * radius sqaured + 2 * π * radius * hieght
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Pythagorean Theorem.
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a squared + b squared = c squared
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Permutations.
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nPr = n! / (n-r)!
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Combinations.
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nCr = n! / r! (n-r)!
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Slope.
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(y2) - (y1) / (x2) - (x1)
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Distance.
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D = √(x1 - x2)^2 + (y1 - y2)^2
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Midpoint Formula.
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M = (x1 + x2 / 2, y1 + y2 / 2)
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The sum of the measure of interior angles of any convex n-gon.
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(n - 2) * 180 = sum
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The measure of one angle of any convex n-gon.
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(n - 2) * 180 / n = sum
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Diameter of a circle.
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D = 2 * radius
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Location of vertex = formula (circle)
On center. |
On center = intercepted arc.
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Location of vertex = formula (circle)
On circle. |
On circle = 1/2 intercepted arc.
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Location of vertex = formula (circle)
Inside. |
Inside = 1/2 (sum of intercepted arcs)
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Location of vertex = formula (circle)
Outside. |
Outside = 1/2 (difference of the intercepted arcs)
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Arc Length.
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Arc length / circumference = ar measure in degrees / 360
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Sector Area.
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Sector area / area of circle = acr measure in degrees / 360
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Volume for a sphere.
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V = 4/3 * π * radius squared
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Surface Area of a Sphere.
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SA = 4 * π * raduis squared
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Two Secants.
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Outside line * entire line = outside line * entire line
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Tangent and a Secant.
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secant sqaured = entire line * outside line
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