Given the side lengths, determine whether the triangle is acute, obtuse, right, or not a triangle 9, 15, 19

(c, 0) i might be wrong so don't put full faith on my answer

but which class are u may know that first

what was there favorite food

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this