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Asked by  | 12th Feb, 2009, 09:39: PM

Expert Answer:

begin mathsize 16px style According space to space the space given space question comma QR space equals space 3 QS From space the space diagram comma In space increment PQS comma tan 60 degree space equals space PQ over QS square root of 3 equals straight h over QS straight h equals square root of 3 space QS........... left parenthesis ii right parenthesis In space increment PQR comma tanx space equals space straight h over QR straight h equals QR tanx straight h equals 3 QStanx..... left parenthesis iii right parenthesis From space the space above space equations comma square root of 3 space QS space equals 3 QStanx tanx space equals space fraction numerator 1 over denominator square root of 3 end fraction space straight x equals 30 degree end style

Answered by  | 8th Dec, 2017, 01:07: PM

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