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the circumference ... 2 pi r
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Arcs of the same circle or congruent circles that have the same measure?
Congruent Arcs
What does parallel lines intercepted arc conjecture mean?
Parallel lines intercept congruent arcs on a circle. More explanation: Parallel lines never interSECT but they can interCEPT Congruent arcs means that the two arcs would have the same measure of the arcs.
What is an arc in math?
An arc is a portion of the circumference of a circle, and the circumference of a circle is the distance round a circle. So an arc looks like a semicircle, it is part of the circumference. Arcs are often used in constructions, for example if you were asked to draw an angle of 60 degrees without a protractor you would draw arcs following a special method. Arcs are drawn using a tool called a pair of compasses.
If point 0 is the center of the circle identify all congruent segments?
Congruent segments will depend on the radius, and whether the segments are straight lines or arcs.
What is the definition of a congruent arc?
Arcs, in the same circle or in congruent circles, that have equal measures.
The measure of an angle formed by two secants intersecting inside the circle equals?
½ the sum of the intercepted arcs.
Can there be congruent arcs on a circle?
Yes, there can be congruent arcs on a circle. Arcs which subtend the same angle at the center are considered as congruent.
What is true of the type of angle in this lesson It measures half the difference of the arcs it intercepts. It measures twice the sum of the arc it intercepts. It measures half the sum of the arcs it?
It measures half the sum of the arcs it intercepts.
Arcs of the same circle or congruent circles that have the same measure?
Congruent Arcs
What are the three arcs of the circle?
Circles have infinitely many arcs, not just 3.
Arcs of a circle that have exactly one point in common are called what?
Adjacent Arcs
What are two arcs that make up the circle?
Half of the circle is an arc
Chords ab and CD of circle o intersect inside the circle find the measure of the acute angle formed if arc ac is 42 and arc db is 94?
If two chords intersect inside a circle, the acute angle they form is one half of the sum of the arcs intercepted by its sides and by the vertical angle SO... The acute angle will be one half the sum of the two arcs. So it is 1/2(42+94)=68 degrees.
Are some arcs in a circle line segments?
No
Why do arcs have a curve?
Because they are parts of the circumference of a circle
What is the divides a circle into two congruent arcs are?
Diameter
Two arcs of a circle are congruent if and only if associated chords are perpendicular?
In the same circle, or in congruent circles, two minor arcs are congruent if and only if their corresponding chords are congruent.
