Will give braniestwhat is the length of segment ab?

What is the relationship between all triangles that can be drawn given the same three angles

Which of the following is the shape of a cross section of the figure shown below

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2