Question

an arrow with its head pointing to the north is called _________________​

Answer 1

North arrow

it is by my gessuing

Answer 2

ANSWER:-

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$the \: needle\:or\:arrow\: of \: a \: compass$

Therefore, the whole answer would be :-

An arrow with its head pointing to the north is called the needle/arrow of a compass.

no other information has been provided by you in the question....

......hope this helps......