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68g Math
Question 19
2010 April(68G) Math Question 19
Trigonometry
- Pythagorean Theorem & sin cos tan
Choice B
I
t
′
s
a
5
−
12
−
13
t
r
i
a
n
g
l
e
.
(
5
+
12
)
−
13
=
4
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