Approximate the length using the formula for arc length. Round to the nearest meter.
-A television tower 540 m high subtends an angle of 3°50´. How far away is the tower?
A)4860 m
B)8071 m
C)4900 m
D)8111 m

Question

Quizplus · Accepted Answer

The arc length formula is s = rθ, where θ is in radians. Convert 3°50' to radians, then use the formula with the height of the tower as the radius to find the distance.

Approximate the Length Using the Formula for Arc Length