Regents High School Examination - Geometry Answers - The University Of The State Of New York Page 22

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Part IV
Answer the question in this part. A correct answer will receive 6 credits. Clearly indicate
the necessary steps, including appropriate formula substitutions, diagrams, graphs, charts, etc.
A correct numerical answer with no work shown will receive only 1 credit. The answer should
be written in pen.
[6]
38 In
the diagram below, quadrilateral STAR is a rhombus with diagonals SA and TR intersecting
at E. ST
=
3x
+
:30, SR
=
8x - 5, SE
=
3z, TE
=
5z
+
0, AE
=
4z - 8, mLRTA
= .5y -
2, and
rnLTAS
=
9y
+
8. Find SR, RT, and mLTAS.
8x - 5
<t{I] . . 5
~(l~"
/
R
s
3x
+
30
A
T
(5y - 2)°
9yr g f>y. . .
j
:;~O
Yx-
C)
~ )~
f'O
J
II
Y fb .,
9
D
).x
-,15'
X
~-7
Itt)·
J1
Ttl\
J~
y::G
Geometry - June '10
[22]

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