What is the vertex of the parabola in the graph?

is the only node of a parabola that have only one y for one x

2 apples

step-by-step explanation:

taking away equals subtraction. 6-4=2

m∠5 + m∠3 = m∠1   is true.

m∠5 + m∠6 = 180 is true

m∠2 +m∠3 = m∠6   is true

m∠2 +m∠3 +m∠5 = 180   is true