Angles in Circles
Statistics
Segments in Circles
Triangles
Circles vs Spheres
100
This is the relationship between a central angle and its arc.
What is they are congruent?
100
The measures of central tendency, (mean, median, and mode) tell us this about any data set.
What is the center?
100
When a radius and a tangent meet at a point of tangency, this is the type of angle they make.
What is a right angle?
100
The legs are congruent and the hypotenuse is the length of the leg times the square root of 2.
What is the relationship between the sides in a 45-45-90 triangle?
100
All the way around the outside of a circle is called this.
What is the circumference?
200
The relationship below is used to find both this angle as well as another angle in a circle. angle = arc/2
What is an inscribed angle or tangent-chord angle?
200
Range and standard devation are know as two of the measures of this.
What is Dispersion or Spead?
200
Two tangents to a circle from the same external point are this.
What is congruent?
200
The hypotenuse is twice as long as the short leg and the long leg is the short leg time the square root of 3.
What is the relationship of the sides in a 30-60-90 triangle?
200
The formula pi*r^2 is used to find this of a circle.
What is area?
300
This is the name of the angle that is creted by two chords intersecting in a circle.
What is an Interior Angle?
300
In a normal distribution, the 4 percents on either side of the mean between each standard deviation are ________.
What are 0.15%, 2.35%, 13.5%, and 34%?
300
The relationship of Part x Part = Part x Part is to find the length of these types of of segments in a circle.
What is 2 chords?
300
This phrase is used to help students remember the relationships for sine, cosine, and tangent.
What is SOH CAH TOA?
300
If I wanted to find how much peal is around an orange, I would use this formula.
What is Surphace Area = 4pi*r^2?
400
One way to get an exterior angle is by two tangents going to a circle from a common external point. These are the other two sets of points that will also create an exterior angle.
What is 2 Secants as well as 1 Secant and 1 Tangent?
400
These are the 3 types of correlation that you will see on a scatter plot.
What are positive, negative, and no correlation?
400
When two secants go through a circle from a common external point, this is the relaionship between the pieces of the lines.
What is Outside(Whole) = Outside(Whole)?
400
In a right triangle, the two angles that are not the right angle are this.
What is complementary angles?
400
The formula Angle/360 = AL/2pi*r is the formula for this.
What is Arc Length?
500
This is the formula used to solve for an angle whose vertex is outside the circle.
What is angle = (big arc - little arc)/2?
500
The formula: plus or minus 1 over the square root of "n" is the formula for this.
What is Margin of Error?
500
When one tangent and one secant go to a circle from a common external point, the secant line has the relationship of Outside(Whole) and the tangent is this.
What is squared?
500
Two triangles are this when their angles are congruent and their sides are proportional. Also, the sine, cosine, and tangent of each of these triangles from the corresponding angles are the same.
What is Similar Triangles?
500
If you cut a slice of chocolate pie, this formula is would you use to find the area of just the slice you are about to eat.
What is angle/360 = Area of Sector/Area of Circle?