find the length of the side and perimeter of an equilateral triangle whose height is underroot 3cm
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If 'a' is side of equilateral triangle,
height h=(sq root 3)*a/2 [Heron s formula]
a=2h/(sq root 3)
If h=sq root 3
a=2 cm
perimeter=3*2=6cm
height h=(sq root 3)*a/2 [Heron s formula]
a=2h/(sq root 3)
If h=sq root 3
a=2 cm
perimeter=3*2=6cm
nilwarn:
thanks but I need answer by the pythagoras theorem
this h is calculated using Pythagoras theorem only taking H=a,B=a/2 [as the 2 triangles will be congruent]
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