Which of these is a correct step in constructing congruent angles? Use a straightedge and draw an arc across the first arc from a leg of the given angle.
Use a straightedge to measure the width between the points where the first arc cuts both legs of the given angle.
Use a compass and draw an arc across both the legs of the given angle.
Use a compass and join points to make the new leg of the congruent angle.

if not mistaken is use a compass and draw an arc across both the legs of the given angle

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guess at question:

a vertical line intersects the graph of g(x,y) = 0 at two points. what conclusion follows about the function f(x) implicitly defined by g(x,f(x)) = 0?

the domain of f(x) cannot include the x coordinate of any such vertical line.

informally, f(x) is not a function, and

g(x,y)=0 cannot be solved for y uniquely.

the relation r = {(x,y) such that g(x,y) = 0} is a function if

for all (a,b) ∊ r and (c,d) ∊ r, a=c implies b=d.

step-by-step explanation:

answer: 4 (:

step-by-step explanation: