In ⊙ P , whose radius has length 8 i n . , m A B ⌢ = m B C ⌢ = 60 ° . Because m A C ⌢ = 120 ° chord A C ¯ is longer than either of the congruent chords A B ¯ and B C ¯ . Determine how much longer A C ¯ is than A B ¯ ; that is, find the exact value and the approximate value of A C − A B .
Solution Summary: The author explains that the approximate value of AC-AB is 8.856in.
In
⊙
P
, whose radius has length
8
i
n
.
,
m
A
B
⌢
=
m
B
C
⌢
=
60
°
. Because
m
A
C
⌢
=
120
°
chord
A
C
¯
is longer than either of the congruent chords
A
B
¯
and
B
C
¯
. Determine how much longer
A
C
¯
is than
A
B
¯
; that is, find the exact value and the approximate value of
A
C
−
A
B
.
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