AnswersRS AZ-Common Core Geometry BCircumference and Arc Length

Circumference and Arc Length Answers

15 verified answers
1
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Which statements are true regarding the area of circles and sectors? Check all that apply.

A
The area of a circle depends on the length of the radius.
B
The area of a sector depends on the ratio of the central angle to the entire circle.
C
The area of a sector depends on pi.
D
The area of the entire circle can be used to find the area of a sector.
E
The area of a sector can be used to find the area of a circle.
2
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Which statement is true regarding the two shaded sectors of circle O? Explain.

A
The area of sector AOB is greater than the area of sector DOC because the central angle measures are equal.
B
The area of sector DOC is greater than the area of sector AOB because the radii are equal.
C
The area of sector AOB is equal to the area of sector DOC because the central angle measures are equal.
D
The area of sector AOB is equal to the area of sector DOC because the radii are equal.
3

Approximately how much fabric of each color will be needed to make a single parachute canopy?

A
88.5 ft
B
88.5 ft²
C
265.5 ft
D
265.5 ft²
4

Timothy built a base for a circular tabletop. The base can support a tabletop with a radius of at least 6 inches, but not more than 23 inches. What is the smallest possible area of the tabletop that will fit on Timothy’s table base? Round the answer to the nearest whole square inch. square inches What is the largest possible area of the tabletop that will fit on Timothy’s table base? Round the answer to the nearest whole square inch. square inches

Answers:
Part 1:113
Part 2:1,662
5

Question text not available

Answer not available
10

What is the ratio of the sector area to the area of the entire circle?

A
Option
Option A
B
Option
Option B
C
2
Option C
D
4
Option D
11

If the radius is doubled, what is the effect on the area of sector XYZ?

A
The sector area will be times greater.
Option A
B
The sector area will be 2 times greater.
C
The sector area will be times greater.
Option C
D
The sector area will be 4 times greater.
12

1122✔ 121217

Answer not available
13

11✔ 143217360

A
11
B
143
C
217
D
360
14

121✔ 151229380

Answer not available
24

What is the sector area created by the hands of a clock with a radius of 9 inches when the time is 4:00?

A
6.75π in.2
B
20.25π in.2
C
27π in.2
D
81π in.2
25

Which statements are true? Check all that apply.

A
The central angle measure created by the shaded region is 40°.
B
The central angle measure created by the shaded region is 20°.
C
The ratio of the measure of ∠LOM to the measure of the whole circle is .
Option C
D
Circle O can be divided into a total of 9 sectors equal in area to sector LOM.
E
Circle O can be divided into a total of 10 sectors equal in area to sector LOM.
27

1928 57 ✔ 113

Answer not available
28

5 7 ✔ 2857

Answer not available
29

1216✔ 2236

Answer not available

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