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OpenStudy (anonymous):
In triangle MNO,
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OpenStudy (campbell_st):
a lot to do here |dw:1329735156315:dw| 1st <O = 45... angle sum of a triangle use sin rule to find OM and ON OM/sin75 = 12/sin45 OM = (12xsin75)/sin45 same for ON ON/sin60 = 12/sin45 ON = (12xsin60)/sin45 Once you have OM and ON... use A = 1/2absinC a = OM, b = ON <C = 45
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