moonwisper12
moonwisper12
11-03-2018
Mathematics
contestada
X=
A.100
B.120
C.140
Respuesta :
jimman
jimman
11-03-2018
x=140 because of the exterior secant angle theorem
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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.
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