Mathematics B Regents High School Examination - The University Of The State Of New York, 2007 Page 9

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Part II
Answer all questions in this part. Each correct answer will receive 2 credits. Clearly indicate the
necessary steps, including appropriate formula substitutions, diagrams, graphs, charts, etc. For all
questions in this part, a correct numerical answer with no work shown will receive only 1 credit. [
]
12
21 In the accompanying diagram of circle O, diameter
AOB
is extended
through B to external point P, tangent
PC
is drawn to point C on the
= 7 2
:
circle, and
m
AC
m
BC
:
. Find m∠CPA.
C
A
P
B
O
(Not drawn to scale)
[9]
[OVER]
Math. B – Jan. ’07

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