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2 years ago

For the given central angle, determine the distance traveled along the unit circle from the point (1, 0).

Mathematics

1 answer:

viva [34]2 years ago

3 0

9514 1404 393

Answer:

b. 6.28 units

Step-by-step explanation:

The travel through 360° takes you around the full circumference of the circle. That circumference is ...

C = 2πr

Since this is a unit circle, the radius is 1, so the circumference is ...

C = 2π·1 = 2π ≈ 6.28 . . . units (counterclockwise)

Angles are generally considered to be positive in the counterclockwise direction, so the distance traveled is 6.28 units counterclockwise. Answer choice (a) has the correct number of units, but the direction is incorrect.

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