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ICSE Class 10 Answered

Asked by rickykumar00001 | 21 Sep, 2015, 06:25: PM
answered-by-expert Expert Answer

hi

 

increment P Q S space i s space e q u i l a t e r a l space t r i a n g l e. angle Q P S space equals space 60 degree angle S P R equals 90 degree minus 60 degree equals 30 degree I n increment P S R tan space 30 degree space equals fraction numerator S R over denominator P R end fraction fraction numerator 1 over denominator square root of 3 end fraction equals fraction numerator S R over denominator 9 end fraction S R space equals space 3 square root of 3 A l s o comma P S squared equals P R squared plus S R squared P S squared equals 9 squared plus open parentheses 3 square root of 3 close parentheses squared P S squared equals 81 plus 27 equals 108 P S space equals space 6 square root of 3 I n increment P S R angle P Q S space equals space 60 degree t a n space 60 degree space equals fraction numerator P S over denominator P Q end fraction square root of 3 equals fraction numerator S R over denominator 9 end fraction S R space equals space 9 square root of 3 H e i g h t space o f space t h e space p o l e s space i s space 9 square root of 3 c m space a n d space 3 square root of 3 space c m

Answered by | 21 Sep, 2015, 06:50: PM

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