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Answer:
<em>5 is a prime number. Therefore, it can have only two factors, i.e., 1 and the number itself. The factors of 5 are 1 and 5.</em>
The measure of an arc is equal to the measure of an arc's central angle.
So the measure of an arc with a central angle of 90 ° is also 90 °.
Wind in English is the same in German