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In an eqilateral triangle of side a then lenght of altitude wiil be

i cant ans it...so may i comment..??
jossie u can answer only in answer box
thanku paras...:)


In an eqilateral triangle of side A then lenght of altitude will be perpendicular to the opposite side.
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In an equilateral triangle, when you the altitude it forms 2 right angled triangles.
lets consider one of them.
let the altitude be x (which is to be found out)
hypotenuse is a and the base is (a/2) (since the altitude bisects the base of the equilateral triangle)
by applying pythogorus theore, x= sqrt[a^2- (a/2)^2]
ie x=[sqrt(3)*a]/2

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