+50
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Soal digambar
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bantu jawab
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Soal digambar
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bantu jawab
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5.)180°=105+3b
180°-105°=3b
3b=75°
b=75/3
b=25°
.
180°=105°+3a°
75°=3a°
a=25°
.
a°+b°
=25+25
=50°
.
6.)3x-45=x+23
3x-x=23+45
2x=68
x=34°
.
x+23=34+23=57°
Maka BCF
180°-57°=123°
.
CDE=FCG=57°
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