if side of equilater triangle is 6cm then height of triangle
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by Pythagoras goras theorem
(6/2)²+height²=6²
3²+ height²=36
height²=36-9
height=√27
height=3√3
(6/2)²+height²=6²
3²+ height²=36
height²=36-9
height=√27
height=3√3
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