Which of the following angles is not coterminal with the other three? Question 4

Question

Which of the following angles is not coterminal with the other three?

Question 4 options:

–129°

231°

51°

Question 5 options:

0.025 seconds; 9

0.05 seconds; 9

0.05 seconds; 4.5

0.025 seconds; 4.5

Use the given circle. Find the length s to the nearest tenth.

Question 6 options:

3.1 m

6.3 m

12.6 m

2.0 m

–129°

231°

51°

The image below shows the graph of a sound recorded on an oscilloscope. What are the period and the amplitude? (Each unit on the t-axis equals 0.01 seconds.)

Question 5 options:

0.025 seconds; 9

0.05 seconds; 9

0.05 seconds; 4.5

0.025 seconds; 4.5

Use the given circle. Find the length s to the nearest tenth.

Question 6 options:

3.1 m

6.3 m

12.6 m

2.0 m

Explanation / Answer

1) -129 is coterminal with 231

and 231 is coterminal with - 129

so, 51 is not coterminal

2)  

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