How many lines of symmetry are there in an equilateral triangle?

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answer is C.

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Detailed Solution

Concept: A line of symmetry is a line along which, if the figure is folded, the two sections produced by the folding will coincide with one another, if there are many symmetry lines in the figure.
There is symmetry everywhere around us. A reflection or mirror image made for any line, shape, or object is referred to as symmetry.
The fictitious line that splits an item in half and runs through its centre is known as a line of symmetry.
The equilateral triangle is divided into equal pieces by the lines of symmetry.
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[4]
Hence, the correct answer is option 3.

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