Area of a Circle and a Sector

Question 1

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

Revolt · Accepted Answer

27π in.2

Question 2

What would make the estimation of the circle’s area more precise?

Revolt · Accepted Answer

What is the height of the parallelogram?: 3 units; What would be the approximate length of the parallelogram if the base were completely straight?: 9.4 units; breaking the circle into more sectors; 28.3 square units

Question 3

9.4 square units18.8 square units✔ 28.3 square units37.7 square units

Revolt · Accepted Answer

✔ 28.3 square units

Question 4

1122✔ 121217

Revolt · Accepted Answer

✔ 121

Question 5

11✔ 143217360

Revolt · Accepted Answer

✔ 143

Question 6

121✔ 151229380

Revolt · Accepted Answer

✔ 151

Question 7

1928 57 ✔ 113

Revolt · Accepted Answer

✔ 113

Question 8

5 7 ✔ 2857

Revolt · Accepted Answer

✔ 28

Question 9

1216✔ 2236

Revolt · Accepted Answer

✔ 22

Question 10

Which statements are true? Check all that apply.

Revolt · Accepted Answer

The central angle measure created by the shaded region is 40°.; The ratio of the measure of ∠LOM to the measure of the whole circle is .; Circle O can be divided into a total of 9 sectors equal in area to sector LOM.

Area of a Circle and a Sector Answers

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