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(6) 200m Gm (d) 21 cm?10-If the median of an aquilateral triangle i x cm the its area1s |
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Answer» Median in equilateral triangle is perpendicular bisector of the side.when side is a cm, then length of median will bex =√[(a)²-(a/2)²] =√(3a²/4) =(a/2)√3⇒x = (a/2)√3⇒a = 2x/√3 now. area = (√3/4)a² = (√3/4)×(2x/√3)² = x²/√3 cm² I think 3rd............. |
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