Seudónimo
Seudónimo
20-04-2018
Mathematics
contestada
please help me thank you.
Respuesta :
choixongdong
choixongdong
20-04-2018
tangent
is perpendicular to the radius G so
FG = 4
FE = 3
GE = 5
so
a^2 + b^2 = 4^2 + 3^2 = 16 + 9 = 25
c^2 = 5^2 = 25
so
c^2 = a^2 + b^2
25 = 25
GFE is a right triangle , <GFE = 90
so FE is perpendicular GF
answer is D. FE
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