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360/# of sides
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What is an angle in a circle whose vertex is at the center of the circle?
Central Angle
How do you find the measure of the central angle?
the measure of the inscribed angle is______ its corresponding central angle
The central angle of a semicircle is what kind of angle?
It's a STRAIGHT angle
How do you find the length of the arc of a circle with only the measurement of the central angle and the Circumference?
The entire circumference has a central angle of 360 degrees. The arc is a fraction of the circumference. The fraction is (central angle) divided by (360). So the arc length is: (circumference) x (central angle) / (360) .
An angle whose vertex is the center of the circle?
That is the central angle.
What is the formula for calculating the central angle given chord length and radius?
You can use the cosine rule to calculate the central angle.
What is the formula of a central angle of a circle?
Central angle of a circle is the same as the measure of the intercepted arc. davids1: more importantly the formulae for a central angle is π=pi, R=radius Central Angle= Arc Length x 180 / π x R
What is a central angle?
Central Angle An angle in a circle with vertex at the circle's center.
What is a central angle and what is the relationship of the central angle and the intercepted arc?
In a circle, a central angle is formed by two radii. By definition, the measure of the intercepted arc is equal to the central angle.
What is the formula of an Vertical angle?
what is the formula for a vertical angle
What is an angle formed by two radii of a circle called?
central angle central angle
What is an angle in a circle whose vertex is at the center of the circle?
Central Angle
What is the formula for finding the arc length?
where:C is the central angle of the arc in degreesR is the radius of the arcπ is Pi, approximately 3.142
Circumference equals 9 and arc length is 1 what is the central angle?
arc length/circumference=central angle/360 1/9=central angle/360 central angle=40
How do you find the measure of the central angle?
the measure of the inscribed angle is______ its corresponding central angle
What are the central angles of a circle?
The central angle is the angle that has its vertex at the center of the circle.
How does the central angle compare to the inscribed angle if it is on the same side of a common chord?
The central angle is double the measure.
