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Brums [2.3K]
3 years ago
7

I’m confused on this one

Mathematics
2 answers:
otez555 [7]3 years ago
7 0

Well a circle has 360 degrees and this question wants the degree of counter-clockwise.

I think first we subtract 69 from 360, since that is the rotation clockwise, to get the angle of rotation.

360 - 69 is 291 degrees

notsponge [240]3 years ago
4 0

The question is inconsistent. Asked about the angle of reflection above, and the angle of rotation below.

Assuming that question is asking for the single angle of rotation that replaces the double reflection.

The single angle of rotation is double the angle between the reflection axes, namely 2*69=138 degrees. Since the reflections are done in the counter-clockwise direction, so the rotation is in the same sense.

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