Regents High School Examination Mathematics Worksheet - University Of The State Of New York 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,
AB
is tangent to circle O at B. If
AC = 16 and CD = 9, what is the length of
AB
?
B
O
A
D
9
C
16
[9]
[OVER]
Math. B – Jan. ’08

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