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OpenStudy (itsyacoolgrl):
Please Help! I need help on my math, In the diagram below, what is the approximate length of the minor arc AB ? https://media.apexlearning.com/Images/200701/18/f7b5b059-8ceb-4469-94ae-8c8838d8b137.gif A. 31 cm B. 42 cm C. 63 cm D. 21 cm
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ganeshie8 (ganeshie8):
Hint Arc length = (central angle)*(radius)
OpenStudy (itsyacoolgrl):
So 120 * 20?
OpenStudy (itsyacoolgrl):
@ganeshie8
OpenStudy (mathmate):
@Itsyacoolgrl The central angle is measured in radians. To change from degrees to radians, multiply angle by \(\pi/180\)
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