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ICSE Class 10 Answered

If the sides of triangle are 9,7 and 14 then fine out the smallest meduin of triangle 
Asked by barotdharmika | 01 Mar, 2019, 04:51: PM
answered-by-expert Expert Answer
In a triangle with sides a, b and c as shown in figure, median of length d is given by,  begin mathsize 12px style d space equals space 1 half square root of 2 b squared plus 2 c squared minus a squared end root space end style
by substituting a = 14 , b = 7 and c = 9 in the above relation we get d = begin mathsize 12px style square root of 2 cross times 49 plus 2 cross times 81 minus 196 end root space equals space 4 end style
Answered by Thiyagarajan K | 01 Mar, 2019, 06:25: PM

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