Question

The Unit Circle

For the given central angle, determine the distance traveled along the unit circle from the point (1,0)
218°

a. 1.21 units clockwise
b. 3.80 units
c. 7.61 units
d. 1.90 units

Pleases select the best answer from the choices provided

Answer 1

Explanation:

radius of unit circle = 1

θ = 218° × π/180° = 109π/90 radians

arc length = rθ = 109π/90 ≅ 3.80 units

Answer 2

B

Explanation: