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Mathematics 12 Online
OpenStudy (anonymous):

Barry is standing in front of a tree at point S. He can see an arc of the tree trunk that stretches from J to K measuring 58°. What is the measure of angle JSK?

OpenStudy (anonymous):

OpenStudy (anonymous):

"measuring 58°" . You mean "58m" or "58cm" something. By the way, is the radius not given, any additional info?

OpenStudy (anonymous):

50 degrees it doesn't have a radius given

OpenStudy (anonymous):

that's all the info there so idk

OpenStudy (anonymous):

You mean 58 degrees! Its probably the angle of the arc JK inside the circle then |dw:1337276462295:dw|

OpenStudy (anonymous):

Is it?

OpenStudy (anonymous):

yeah J and K are an arc and the arc measures 58degrees

OpenStudy (anonymous):

Fine, so |dw:1337276759912:dw| x = 180 - (90 + 29) =61 degree So, angle JKS = 2 x 61 =122 degrees

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