In an equilateral triangle, the number of line of symmetry is three. Then the correct option is C.
What is the axes of symmetry?
If a line intersect the shape and the shape look identical on both sides of line, then the line is known as axis of symmetry.
A triangle is a three-sided polygon with three angles. The angles of the triangle add up to 180 degrees.
If all the sides of the triangle are congruent, then the triangle is known as an equilateral triangle.
And each angle of the equilateral triangle is 60 degrees.
In an equilateral triangle, the number of line of symmetry is three.
And each axis of symmetry bisects the side of the triangle.
Then the correct option is C.
The diagram is shown below.
More about the axes of symmetry link is given below.
https://brainly.com/question/4348533
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