PLS HELP ASAP, I'll give BRAINLIEST Find the length of the longest side of the triangle whose vertices are D(4,1), E(9,6) and F(5, -4).

step-by-step explanation: i dont

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step-by-step explanation:

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