An equilateral triangle has sides of length 5.1 cm, correct to 1 d. p.calculate the upper and lower bounds for the perimeter of the triangle?

the correct answer is the second option

72 is the answer to this problem

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h is the x-coordinate of the vertex

step-by-step explanation:

we have

in this function

the point represent the vertex of the function

so

h is the x-coordinate of the vertex

k is the y-coordinate of the vertex