(a) The area of a rectangular field is 7161 m.
2 answers:
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First of all i think theres a mistakein the question;
i think it is sin θ =
and then sin 30° =
thus θ= 30°
i think it is sin θ =
and then sin 30° =
thus θ= 30°
I think that is the answer to your question if not I'll figure it out
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