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5
5
21. ABC and ARS are right triangles with
A
A and right angles ASR and ACB.
Because all right angles are congruent,
ABC
ARS by AA Similarity.
AS
AC
x
12 180 or
45 or 3
15
10
80 or 4
20 or 2 Similarity. 8
5 BD
CE
x1
x2 62 122
62 32
7 ( 8)
6 ( 4)
82 42
22 42 AB
BC
CA
ST
TB
BS 5(PQ)
5(PQ)
PQ T (0, 4) PS
¬ XY ¬3
6
¬10(3)
¬30
¬5
PS
¬ XY ¬3
6
¬8(3)
¬24
¬4
¬ PR
PY
¬5 5 5
¬3(10)
¬30
¬6 29. PR KL, so RQM
LNM, PQM
KNM,
L
QRM, and K
QPM, since these are
all pairs of corresponding angles. LNM, KNM,
RQM, PQM, and LMK are all right angles,
so each is congruent to the others. A( 2, 8) 163 Chapter 6...
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This note was uploaded on 12/19/2011 for the course MAC 1140 taught by Professor Dr.zhan during the Fall '10 term at UNF.
 Fall '10
 Dr.Zhan
 Calculus, PreCalculus, Angles

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