Formulas
Circles and lines
SohCahToa
Oh Poly, My Poly
Gumbo
100
Used when finding the sum of the interior angles of a polygon.
What is 180(n-2)?
100
Points on the same line in the Cartesian plane.
What is co-linear?
100
The ratio of an angle's relationship to the opposite and hypotenuse sides.
What is Sine?
100
A 7 sided shape.
What is a heptagon?
100
All of the following are congruence postulates except SSS, SAS, ASA, SSA, HL,and AAS.
What is SSA?
200
The equation y-y1=m(x-x1)
What is the point slope formula?
200
A line that passes through the center of a circle and goes completely through it.
What is a secant line?
200
Gives you the value of 57 degrees using the Cosine function.
What is Cos57?
200
An angle formed by extending a line in a polygon.
What is an exterior angle?
200
Point A is (2,-3) A' is (4,-6) the transformation that took place.
What is a scale factor?
300
Point A and point C are points in the Cartesian plane. Point B lies equidistant from either point. The formula used to find the coordinates of B
What is mid-point formula or [(x2+x1)/2, (y2+y1)/2]
300
Two chords that meet at a common vertex in a circle.
What is an inscribed angle?
300
What you would type in the calculator to evaluate tan A=0.6
What is tan-1(0.6)?
300
Composed of four triangular polygons and one square base.
What is a pyramid?
300
The angle that measures 180 degrees.
What is a straight angle?
400
Written as Ax+By=C and slope can be found by -a/b.
What is standard form of a line?
400
Two lines that intersect in a 90 degree angle and have opposite reciprocal slopes.
What is perpendicular?
400
Sin35= x/27 the next step.
What is 27*Sin35=x?
400
Corresponding angles are congruent and corresponding sides are proportional.
What is a similar polygon?
400
Favorable outcomes/ possible outcomes
What is probability of an event?
500
Find the permutation and divide by the factorial of the number of items chosen.
What is a combination?
500
3x+4y=12 and y=-3/4x + 7 are an example.
What is parallel?
500
The only angle in a right triangle that is never theta.
What is the 90 degree angle?
500
The measure of the exterior angles of a polygon.
What is 360 degrees?
500
The sum of the two smallest sides must be larger than the longest side.
What is inequality theorem of a triangle?
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