Download 9/18/2015 m A BC

9/18/2015
Theorem 5-13
If two sides of one
triangle are
congruent to two
sides of another
triangle, and the
included angles
are not congruent,
then the longer
third leg is
opposite the
larger included
angle.
If
mA  mX
 What
If
A
BC  YZ
 P.
Z
is the range of possible values for x?
Find the upper limit
15
mA  mX
S
B
10
60°
A
C
U
Y
X
C
Y
Then
R
If two sides of one
triangle are
congruent to two
sides of another
triangle, and the
third sides are not
congruent, then
the larger
included angle is
opposite the
longer third side.
BC  YZ
B
X
Theorem 5-14
Then
(5x-20)°
T
60  5 x  20
80  5x
16  x
Find the lower limit
5 x  20  0
5 x  20
x4
4  x  16
Z
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