The sum of the measures of the central angles of a circle is 360.
What is the Sum of Central angles?
100
Theorem 10.10: In a plane, a line is tangent to a circle if and only it is perpendicular to a radius drawn to the _____ __ _____.
What is point of tangency?
100
Find the circumference. Use 3.14 for ∏.
What is 59.032?
100
(x/360) * 2∏r
What is Arc Length?
100
A line that intersects a circle in exactly two points.
What is a Secant?
200
If two chords intersect in a circle, then the products of the lengths of the chord segments are equal.
What is the Segments of Chords Theorem?
200
Theorem 10.13: If a secant and tangent intersect at the point of tangency, then the measure of each angle formed is ___ ____ the measure of its intercepted arc
What is one half?
200
Find the perimeter of the polygon. Assume that lines that appear tangent are tangent.
What is 49.4?
200
2∏r
What is the Circumference?
200
Two circles are _____ if they have _____ radii.
What is Congruent?
300
A segment of a secant line that has one end point on the circle.
What is a Secant Segment?
300
Theorem 10.12: If two secants or chords intersect in the interior of a circle, then the measure of an angle formed is one half the sum of the measure of the arcs intercepted by its ____ _____.
What is vertical angle?
300
Find the length of the arc SOM.
What is 5∏?
300
center (h,k) and radius r
(Write the formula and answer)
What is the Equation of a Circle and r^2=(x-h)^2+(y-k)^2 ?
300
A line, ray, or segment that is tangent to two circles at the same time.
What is a Common Tangent?
400
Daily Double!
Like in music there are two types, but here I measure either more or less
(3 answers)
What is a Major arc and Minor arc and 180 degrees?
400
Theorem 10.17: If a tangent and a secant intersect in the ______ of a circle, then the square of the measure of the tangent is equal to the product of the secant segment and its external secant segment.
What is exterior?
400
Find the measure of the arc x.
What is 110 degrees?
400
The square root of (x2-x1)^2 +(y2-y1)^2.
What is the Distance Formula?
400
A segment with end points at the center and on the circle
What is a Radius?
500
The measure of an arc formed by two adjacent arcs is the sum of their measures.
What is the Arc Addition Postulate?
500
Theorem 10.14: If two lines intersect in the exterior of a circle and ____ _____ the circle, then the measure of the angle formed is one half the difference of the measures of the intercepted arc
What is pass through?
500
Center (2, -2) Point on the circle (5, -8) Write equation & graph.
What is 45=(x-2)^2 +(y+2)^2?
500
Daily Double! Another name for the equation of a circle.
What is Standard Form?
500
A ____ line is in the same plane as a circle and intersects it only once.