It shouldn't add up to 180 degrees, you're looking for the length of the sides not the degree of the angle. Because it's an equilateral triangle, all sides are the same, so you can just set them equal to each other. D=5
ANSWER
Dilation
EXPLANATION
The given regular polygon is an equilateral triangle.
If we dilate this polygon about the origin with a scale factor of 1.
The image triangle will coincide with the preimage.
Therefore the transformation that will carry the given regular polygon on to itself is dilation.
The correct choice is C.
The answer is angle JKL is 54 degrees
According to the question the annual percentage rate is 5%, but in the online calculator he put 60%, when he needed to 5%.