12 feet 4x3 is 12 so there fore it would be 12 feet long
The given shape in the image is not an equilateral triangle.
<h3>What is an equilateral triangle?</h3>
The triangle with all three sides equal and all the angles equal is called an equilateral triangle.
In the given figure we can see a triangle this triangle is not an equilateral triangle because the figure is formed between a square grid now if you see closely the base of the triangle can not be equal to the two sides of the triangle.
Because these two sides are the hypotenuse for the remaining right-angle triangle. So the base of the highlighted triangle can not be equal to the other two sides of the triangle.
Therefore given shape in the image is not an equilateral triangle.
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I think it is angle number 9
