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Earn +20 ptsQ: How do you find the angle with the radius and the arc length?
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How do you find angle in degrees when having a set arc length and radius?
Angle = Arc length * 360/(2*pi*r) = 180/(pi*r) where r is the radius.
How find radius in a circle given angle and length of arc?
angle of arc/ angle of circle (360°) = length of the arc/ total circumference (2 pi* radius) so you just have to find r then so: angle of arc/ angle of circle (360°) *2pi = length of the arc/ radius radius= ength of the arc/ angle of arc/ angle of circle (360°) *2pi not that hard ;)
If the radius of a circle is doubled how is the length of the arc intercepted by a fixed central angle changed?
If the radius of a circle is tripled, how is the length of the arc intercepted by a fixed central angle changed?
Is the measure of an arc equal to the measure of its central angle?
Yes. Besides the included angle, arc length is also dependant on the radius. Arc length = (Pi/180) x radius x included angle in degrees.
Find the length of arc subtended by a central angle of 30 degrees in a circle of radius of 10 cm?
5.23
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