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Mathematics 7 Online
OpenStudy (anonymous):

Please help!!! :D In the diagram below, line DE and EF are tangent to O. What is the measure of angle e?

OpenStudy (anonymous):

OpenStudy (anonymous):

analyze the picture....

OpenStudy (anonymous):

there is 212 degrees and 148 degrees i'm not sure how that would help to find e tho :/

OpenStudy (anonymous):

i think, the answer on that is 212 degree...

OpenStudy (anonymous):

i'm not sure if you would have to divide 212 into 2

OpenStudy (anonymous):

ahh.. wait a minute... hold on!

OpenStudy (anonymous):

ok thank you :)

OpenStudy (anonymous):

hello.. :) do you know the formula?

OpenStudy (anonymous):

no.. :/ i'm unsure of how to do these

OpenStudy (anonymous):

|dw:1390627964662:dw| angle E = 1/2 (big arc-small arc)

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