If triangle ABC is an equilateral triangle of side 2A find the length of its altitude
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By Pythagoras theorom,
AD²+CD²=AC²
AD²=AC²-CD²
AD²=(2a)²-(a)²
AD²=4a²-a²
AD²=3a²
AD=a√3
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AD²+CD²=AC²
AD²=AC²-CD²
AD²=(2a)²-(a)²
AD²=4a²-a²
AD²=3a²
AD=a√3
Make it as brainliest!
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