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Find mLEBF. (20x10) (3x+15)° A G B 60° JE E
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3 votes
Find mLEBF.
(20x10)
(3x+15)°
A
G
B
60°
JE
E

Find mLEBF. (20x10) (3x+15)° A G B 60° JE E-example-1
User Tarique Naseem
by
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60+\stackrel{ \measuredangle ABC }{(3x+15)}+(20x-10)~~ = ~~180\implies 65+23x=180 \\\\\\ 23x=115\implies x=\cfrac{115}{23}\implies x=5 \\\\[-0.35em] ~\dotfill\\\\ \stackrel{ \measuredangle EBF }{(3x+15)}\implies 3(5)+15\implies \text{\LARGE 30}^o

Find mLEBF. (20x10) (3x+15)° A G B 60° JE E-example-1
User John Jacecko
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