Area of a Circle and a Sector

Question 1

Which statements are true? Check all that apply.

Revolt · Accepted Answer

m = 120°; m∠COB = 2(m∠CAB); m∠COB = 120°

Question 2

Question 2

Revolt · Accepted Answer

180 minus

Question 3

Question 3

Revolt · Accepted Answer

equal to

Question 4

Question 4

Revolt · Accepted Answer

SSS congruency theorem

Question 5

Use the diagram to complete the statements. The measure of angle EJB is the measure of angle BOE. The measure of angle BDE is the measure of angle BOE. The measure of angle OED is the measure of angle OBD.

Revolt · Accepted Answer

one-half; Selection 1: one-half; Selection 2: 180 minus; Selection 3: equal to

Question 6

4590✔ 180360

Revolt · Accepted Answer

180; Selection 1: 180

Question 7

What is the measure of angle WZY?

Revolt · Accepted Answer

71°

Question 8

Use the diagram to complete the statements. The measure of minor arc EF is °. The measure of angle DAB is °.

Revolt · Accepted Answer

Selection 1: 109; Selection 2: 54.5

Question 9

Which statements are true? Check all that apply.

Revolt · Accepted Answer

The circumscribed angle L has a measure of 49°.; If the measure of arc HJ is 98°, the measure of angle HMJ is 98°.; If the measure of arc HJ is 98°, the measure of arc HK is 131°.

Question 10

What is the measure of angle OAC if major arc AB measures 220 degrees?

Revolt · Accepted Answer

55°

Area of a Circle and a Sector Answers

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