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ထႅမ်းပလဵတ်ႉ:Great circle distance/er/doc

လုၵ်ႉတီႈ ဝီႇၶီႇဝွႆးဢဵတ်ႇꩡ် မႃး

{{Great circle distance/er|latitude}}

Calculates the Earth's radius, in kilometers, at a given latitude. Uses the following formula:

with latitude , radius , radius at equator , and radius at pole

With no latitude input, it defaults to the mean Earth radius.