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OpenStudy (anonymous):
Find m∠DOB.
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OpenStudy (anonymous):
OpenStudy (anonymous):
help!
OpenStudy (raden):
find the measure of BOE, first
OpenStudy (raden):
BOE = 1/2 (m arcBJE + m arcDC)
OpenStudy (anonymous):
110
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OpenStudy (raden):
BOE = 1/2 (m arcBJE + m arcDC) = 1/2 (170 + 44) = 1/2 * 214 = 107
OpenStudy (anonymous):
now what?
OpenStudy (raden):
DOB and BOE is forms supplementary angles, the sum of them is 180 degrees, so DOB + BOE = 180
OpenStudy (anonymous):
so is the answer 73
OpenStudy (raden):
correct!
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OpenStudy (anonymous):
thanks
OpenStudy (raden):
welcome
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