clee07
clee07
13-07-2017
Mathematics
contestada
PLEASE HELP FOR BRAINLIEST!!!
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Banabanana
Banabanana
13-07-2017
The measure of an angle
formed by a
secant
and a
tangent
drawn from a point outside the
circle
is half the the difference of the
intercepted arcs
.
[tex]21^o= \frac{arc \ RU-arc \ SU}{2}= \frac{119^o-arc \ SU}{2} \ \to \ \\ \\ 42= 119-arcSU \\ arc \ SU=119-42=77^o[/tex]
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