Hellokitty11111
Hellokitty11111
23-04-2017
Mathematics
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What's this answer please ?
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irspow
irspow
23-04-2017
5x and 3x+10 are "vertical angles", opposites about the intersection of two lines, thus they are equal so:
5x=3x+10
2x=10
x=5
so 3x+10 is
3(5)+10=25°
FEG and GEC are complementary angles meaning they sum to 90° so
FEG=90-25=65°
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