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miv72 [106K]
3 years ago
10

What is the value of x if the is 80? Please help thanks

Mathematics
2 answers:
lakkis [162]3 years ago
8 0
2x+44=80
-44    -44
2x=36
x=18
olga nikolaevna [1]3 years ago
5 0
BED=80
BED=BEC+CED=2x+4+40

80=2x+4+40
80=2x+44
minus 44 both sides
36=2x
divide by 2
18=x

and AEB is 90 degrees


x=18
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