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Geometry Ch. 7
Review
 Write
the ratio of the first measurement
to the second measurement.
Length of car: 14 ft 10 in
Length of model car: 8 in
89
or 89 : 4
4
 The
measures of the angles of a triangle
are in the extended ratio 6:1:5. What is
the measure of the largest angle?
90
 Solve
the proportion.
6
3
=
d + 5 d +1
3
5
or
6
Are the triangles similar?
If so, write a similarity statement for the
triangles and
WHY.
Yes
SSS ~
Are the triangles similar? If so, write a
similarity statement for the triangles and
WHY.
Yes
KLP ~ KMN
SAS ~
 Find
the Geometric mean of 6 and 15
Geometric Mean  x  a  b
6
𝑥
=
𝑥 15
x  90
2
x  90
 9 10  3 10
x6
y  20  2 5
Solve for x.
X = 121
Solve for x.
X = 25
Solve for x.
X=8
Solve for x
X =2
Solve for x. (it’s a decimal)
X = 21.6
HW
709 Pg. 483 #1-20
Quiz tomorrow!! 
Study
one of the proofs from
yesterday!
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