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CC
Core Connections Geometry, 2013
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2. Section 5.2
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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5.2.1. Special Right Triangles
p. 299-301
7 Solutions
52
p. 299
53
p. 300
54
p. 300
55
p. 300
56
p. 301
57
p. 301
58
p. 301
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5.2.2. Pythagorean Triples
p. 305-306
7 Solutions
64
p. 305
65
p. 305
66
p. 305
67
p. 306
68
p. 306
69
p. 306
70
p. 306
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Exercise
52
Page
299
Page
299
Hint & Answer
Solution
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Hints
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A
a
The
hypotenuse
in a
45^(∘)-45^(∘)-90^(∘) triangle
is the length of one of the triangle's legs multiplied by sqrt(2).
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B
b
What are the relative lengths of a
30^(∘)-60^(∘)-90^(∘) triangle
's sides?
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Check the answer
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A
a
Perimeter:
2+2sqrt(2) m
Area:
1 m^2
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B
b
Perimeter:
15+5sqrt(3) feet
Area:
25sqrt(3)/2 feet^2
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Practice exercises
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Progress overview
Application of Trigonometric Ratios
Level 1 exercises - Application of Trigonometric Ratios
Level 2 exercises - Application of Trigonometric Ratios
Level 3 exercises - Application of Trigonometric Ratios
Subchapter links
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5.2.1
Special Right Triangles
p.299-301
52
Special Right Triangles
53
(Page 300)
54
55
56
Special Right Triangles
57
(Page 301)
Special Right Triangles
58
(Page 301)
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5.2.2
Pythagorean Triples
p.305-306
Pythagorean Triples
64
(Page 305)
Pythagorean Triples
65
(Page 305)
66
67
Pythagorean Triples
68
(Page 306)
69
70
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