What is the altitude of an equilateral triangle of each side 6cm?

1.	What is the altitude of an equilateral triangle of each side 6cm?
Answer» let ABC be an equilateral triangle and AD is the altitude from A to BC and BD=1/2 BC i.e. BD=3 cmThen in the\xa0right angled triangle\xa0ADB AB2 = BD2 +\xa0AD262\xa0= 32+ AD2AD=36 - 9= root\xa027= 3 root3 cm Altitude of equilateral triangle=√3/2side =√3/26 =3√3cm

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