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Find the radian measure of an angle of -280 degrees

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U7 L3 Radian Measure: Multiple Choice:

1. Find the radian measure of an angle of -280º. (1 point)

  • b)
    (-14\pi )/(9)

2. Find the degree measure of an angle of
(3\pi )/(5) radians. (1 point)

  • c) 108°

3. Find the exact values of
cos ((3\pi )/(4) radians) and
sin((3\pi )/(4) radians) (1 point)

  • c)
    -(√(2) )/(2),
    (√(2) )/(2)

4. Use the given circle. Find the length s to the nearest tenth. (1 point)

  • a) 10.5 in.

5. A weather satellite in circular orbit around Earth completes one orbit every 5 hours. The radius of Earth is about 6,400 km and the satellite is positioned 4,700 km above the Earth. How far does the satellite travel in 1 hour? Round your answer to the nearest kilometer. (1 point)

  • c) 13,949 km

I just took the test, 5/5 (100%)

User Derrops
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6.4k points
3 votes
14 pi /9 is your answer
User Seiyria
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5.8k points