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Geometry 1 Lesson 11 FTS.notebook
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October 24, 2016
Geometry 1 Lesson 11
Fundamental Theorem of Similarity (FTS)
Supplemental Practice: Pages 104-105 #1
Do NowExplain why a dilation is not a rigid motion
Antman
Geometry 1 Lesson 11 FTS.notebook
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October 24, 2016
3. Use the definition of dilation to describe
the lengths along this ray.
1. On the first line of your paper, mark a
point . We will use this as our center.
From point O, draw a ray OP.
Mark the point P a few lines down from the center.
Now, choose a P' farther down the ray, also on one of the lines of the notebook paper. For example, you may have placed point P, 3 lines down from the center, and point P', 5 lines down from the center.
2.
Page 101
Geometry 1 Lesson 11 FTS.notebook
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October 24, 2016
PP'
O
3. Use the definition of dilation to describe
the lengths along this ray.
1. On the first line of your paper, mark a
point . We will use this as our center.
From point O, draw a ray OP.
Mark the point P a few lines down from the center.
Now, choose a P' farther down the ray, also on one of the lines of the notebook paper. For example, you may have placed point P, 3 lines down from the center, and point P', 5 lines down from the center.
2.
Find the Scale Factor
Geometry 1 Lesson 11 FTS.notebook
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October 24, 2016
4.
PP'
O
5.
6.
Geometry 1 Lesson 11 FTS.notebook
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6.
4.
5.
PP'
OQ
Q'
Geometry 1 Lesson 11 FTS.notebook
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6.
4.
5.
PP'
OQ
Q'
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8.
9.
PQ ll P'Q'
P
P'
O
Q
Q'
P
P'
O
Q
Q'
PQ ll P'Q'corresponding angles
Geometry 1 Lesson 11 FTS.notebook
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October 24, 2016
8.
9.
PQ ll P'Q'
P
P'
O
Q
Q'
P
P'
O
Q
Q'
PQ ll P'Q'corresponding angles
Geometry 1 Lesson 11 FTS.notebook
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October 24, 2016
Page 101
The lines PQ and P`Q` are parallel and
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Geometry 1 Lesson 11 FTS.notebook
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Page 102
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Page 102
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Page 103
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Page 106
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Supplemental Practice 104
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October 24, 2016
Supplemental Practice 105
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