moonwisper12 moonwisper12
  • 11-03-2018
  • Mathematics
contestada

X=
A.100
B.120
C.140

X A100 B120 C140 class=

Respuesta :

jimman
jimman jimman
  • 11-03-2018
x=140 because of the exterior secant angle theorem
Answer Link
sqdancefan
sqdancefan sqdancefan
  • 11-03-2018
10° is half the difference of the intercepted arcs, so you have
.. 10 = (30 -(150 -x))/2
.. 20 = x -120
.. 140 = x

The 3rd selection is appropriate.
Answer Link

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