The angle of reflection is equal to angle of incidence so the angle of reflection is also 32°.
30 + 6 = 36
36/12 = 3
So, it would take it 3 hours to go 12 kms downstream.
Note that we added 30 and 6 because it was going downstream. If it was going upstream, then we would have had to subtract.
Answer:
I think the right answer is option B.
<span>Drought
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The answer is actually 1 & 17, maybe you meant to put 1&17 as option b
