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CC
Core Connections Geometry, 2013
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1. Section 8.1
1. Shapes and Transformations
p. 7-69
4 Subchapters
2. Angles and Measurement
p. 83-134
4 Subchapters
3. Justification and Similarity
p. 148-197
3 Subchapters
4. Trigonometry and Probability
p. 215-264
3 Subchapters
5. Completing the Triangle Toolkit
p. 281-329
4 Subchapters
6. Congruent Triangles
p. 345-385
3 Subchapters
7. Proof and Quadrilaterals
p. 400-460
4 Subchapters
8. Polygons and Circles
p. 476-520
4 Subchapters
9. Solids and Constructions
p. 533-570
3 Subchapters
10. Circles and Conditional Probability
p. 584-660
4 Subchapters
11. Solids and Circles
p. 675-715
3 Subchapters
12. Conics and Closure
p. 733-768
3 Subchapters
Start
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8.1.1. Pinwheels and Polygons
p. 476-478
7 Solutions
6
p. 476
7
p. 477
8
p. 477
9
p. 477
10
p. 477
11
p. 478
12
p. 478
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8.1.2. Interior Angles of Polygons
p. 481-482
7 Solutions
17
p. 481
18
p. 481
19
p. 482
20
p. 482
21
p. 482
22
p. 482
23
p. 482
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8.1.3. Angles of Regular Polygons
p. 485-486
7 Solutions
29
p. 485
30
p. 485
31
p. 486
32
p. 486
33
p. 486
34
p. 486
35
p. 486
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8.1.4. Regular Polygon Angle Connections
p. 488-490
7 Solutions
40
p. 488
41
p. 488
42
p. 489
43
p. 489
44
p. 489
45
p. 489
46
p. 490
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8.1.5. Finding Areas of Regular Polygons
p. 494-496
14 Solutions
53
p. 494
54
p. 494
55
p. 495
56
p. 495
57
p. 495
58
p. 495
59
p. 495
60
p. 495
61
p. 496
62
p. 496
63
p. 496
64
p. 496
65
p. 496
66
p. 496
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Exercise
6
Page
476
Page
476
Hint & Answer
Solution
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Hints
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A
a
Use the
Triangle Exterior Angle Theorem
.
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B
b
Use the Triangle Exterior Angle Theorem.
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C
c
Use the Triangle Exterior Angle Theorem.
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D
d
Use the Triangle Exterior Angle Theorem.
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Check the answer
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A
a
x = 110^(∘)
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B
b
x = 70^(∘)
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C
c
x = 48^(∘)
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D
d
x = 108^(∘)
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Practice exercises
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Progress overview
Using the Distance and Midpoint Formulas in Proofs
Level 1 exercises - Using the Distance and Midpoint Formulas in Proofs
Level 2 exercises - Using the Distance and Midpoint Formulas in Proofs
Level 3 exercises - Using the Distance and Midpoint Formulas in Proofs
Subchapter links
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8.1.1
Pinwheels and Polygons
p.476-478
6
Pinwheels and Polygons
7
(Page 477)
Pinwheels and Polygons
8
(Page 477)
9
10
Pinwheels and Polygons
11
(Page 478)
Pinwheels and Polygons
12
(Page 478)
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8.1.2
Interior Angles of Polygons
p.481-482
Interior Angles of Polygons
17
(Page 481)
18
19
20
Interior Angles of Polygons
21
(Page 482)
22
23
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8.1.3
Angles of Regular Polygons
p.485-486
Angles of Regular Polygons
29
(Page 485)
30
31
32
33
34
35
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8.1.4
Regular Polygon Angle Connections
p.488-490
40
41
42
Regular Polygon Angle Connections
43
(Page 489)
Regular Polygon Angle Connections
44
(Page 489)
45
Regular Polygon Angle Connections
46
(Page 490)
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8.1.5
Finding Areas of Regular Polygons
p.494-496
53
Finding Areas of Regular Polygons
54
(Page 494)
55
Finding Areas of Regular Polygons
56
(Page 495)
57
Finding Areas of Regular Polygons
58
(Page 495)
Finding Areas of Regular Polygons
59
(Page 495)
Finding Areas of Regular Polygons
60
(Page 495)
Finding Areas of Regular Polygons
61
(Page 496)
62
63
Finding Areas of Regular Polygons
64
(Page 496)
65
66
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