You are on a boat which is crossing the prime meridian. the altitude of polaris is 50âº.explain how you know the boat's location is 50⺠north latitude and 0⺠longitude.

Our boat is at North latitude and longitude

Explanation:

Prime meridian is an imaginary line which bisect earth in western and eastern part.

Polaris is a north star at 50 degree above the horizon, which means 50 degree latitude.

if we observe Polaris at 50 degree of altitude it means we are at the latitude of 50 degree north.

That's why we know that our boat is at North latitude and longitude.

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