High School

If θ equals 34 degrees, find the distance between two cities, A and B, to the nearest mile. The radius of the Earth is approximately 4000 miles.

a) 2383 miles
b) 3008 miles
c) 4000 miles
d) 4630 miles

Answer :

Final Answer:

The distance between the two cities, A and B, to the nearest mile is 4000 miles.

Option c) 4000 miles is the correct answer.

Explanation:

1. Convert the angle θ from degrees to radians: θ = 34 degrees * (π/180) = 0.5934 radians.

2. Use the formula for the distance between two cities on a sphere:

distance = 2 * r * sin(θ/2), where r is the radius of the Earth.

3. Substitute the radius of the Earth: r = 4000 miles.

4. Substitute the angle θ: θ = 0.5934 radians.

5. Calculate the distance:

distance = 2 * 4000 * sin(0.5934/2) = 4000 miles.

The distance between the two cities, A and B, to the nearest mile is 4000 miles.

Option c) 4000 miles is the correct answer.