The height of an equilateral triangle is 6cm. find its area .[take √3=1.73]
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n a right angled triangle ABD:
AD²+BD²=AB² = (6)²+(a/2)²=a²
on simplifying we get
a²=36x4/3=48
therefore area of equilateral triangle
=√3/4x48cm²=12√3
Step-by-step explanation:
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