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8 April, 11:54

Which benchmark angles (multiples of 30 degrees or 40 degrees) are closest to the rotation angles below?

A) 40 b) 140 c) 170 D) 220 e) 250 f) 310

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  1. 8 April, 12:07
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    The benchmark angles are angles that are used as references like - 30 degrees, 45 degrees, 60 degrees, etc.

    The closest angles to given rotation angles are:

    A - 40 - closest to the multiple of 45 degrees.

    B - 140 - closest to the multiple of 45 degrees (135 degree).

    C - 170 - closest to the multiple of 30 degrees (closest to 180 degrees which is multiple of both 30 and 45 degrees).

    D - 220 - closest to the multiple of 30 degrees (210 degree).

    E - 250 - closest to the multiple of 30 degrees (240 degree).

    F - 310 - closest to the multiple of 45 degrees (315 degree).
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