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Questions  

One vertex of an equilateral triangle is 2,1  whose area is 123 .The perpendicular distance from the vertex 2,1 to opposite side is 

a
2
b
12
c
22
d
32

detailed solution

Correct option is B

In an equilateral triangle, if h is the height of the triangle, then its area is h23. Here,h23=123h2=12h=12 Therefore, the distance from one vertex to the opposite side is 12

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