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CAT 2017 Question Paper (Shift-2) Question 81
Question 81

Let ABCDEF be a regular hexagon with each side of length 1 cm. The area (in sq cm) of a square with AC as one side is

Solution

The length of the diagonals of a regular hexagon with side s are $$\sqrt{3}s$$.
Here length of AC = $$\sqrt{3}s$$ = $$\sqrt{3}$$ cms
Hence area of the square = $$\sqrt{3}^2$$ = 3 sq cm


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Comments
Sankalp Bhatt

3 months, 3 weeks ago

when we use cosine rule answer
comes to be option c

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