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BI
Big Ideas Math Geometry, 2014
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2. Areas of Circles and Sectors
1. Basics of Geometry
p. 1-61
13 Subchapters
2. Reasoning and Proofs
p. 63-121
13 Subchapters
3. Parallel and Perpendicular Lines
p. 123-169
12 Subchapters
4. Transformations
p. 171-227
13 Subchapters
5. Congruent Triangles
p. 229-297
15 Subchapters
6. Relationships Within Triangles
p. 299-355
13 Subchapters
7. Quadrilaterals and Other Polygons
p. 357-413
12 Subchapters
8. Similarity
p. 415-459
11 Subchapters
9. Right Triangles and Trigonometry
p. 461-525
14 Subchapters
10. Circles
p. 527-652
14 Subchapters
11. Circumference, Area, and Volume
p. 591-663
15 Subchapters
12. Probability
p. 665-719
13 Subchapters
Additional Topic
1 Subchapters
Start
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Communicate Your Answer
p. 601
2 Solutions
3
p. 601
4
p. 601
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Monitoring Progress
p. 602-605
9 Solutions
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Exercises
p. 606-608
45 Solutions
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Exercise
35
Page
608
Page
608
Hint & Answer
Solution
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Hints
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A
a
How much do the percentages add up to?
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B
b
Find each central angle by multiplying the percent of students that use a method by 360^(∘).
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C
c
Use the formula to find the
area of a sector of a circle
with the central angles found in the previous part.
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Check the answer
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A
a
The percentages add up to 100 %.
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B
b
Bus:
234^(∘)
Walk:
90^(∘)
Other:
36^(∘)
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C
c
Bus:
about 8.17 in^2
Walk:
about 3.14 in^2
Other:
about 1.26 in^2
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Practice makes perfect
Practice exercises
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Progress overview
Area of a Sector
Level 1 exercises - Area of a Sector
Level 2 exercises - Area of a Sector
Level 3 exercises - Area of a Sector
Subchapter links
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Communicate Your Answer
p.601
3
4
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Monitoring Progress
p.602-605
Monitoring Progress
1
(Page 602)
Monitoring Progress
2
(Page 602)
3
4
5
6
7
8
9
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Exercises
p.606-608
1
2
Exercises
3
(Page 606)
Exercises
4
(Page 606)
Exercises
5
(Page 606)
Exercises
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Exercises
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Exercises
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Exercises
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Exercises
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Exercises
33
(Page 607)
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Exercises
35
(Page 608)
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Exercises
37
(Page 608)
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Exercises
39
(Page 608)
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Exercises
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(Page 608)
Exercises
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Exercises
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