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Two parallel lines are crossed by a transversal. what is value of x

When are triangles considered similar? a. corresponding angles are equal andcorresponding sides are proportionalb. corresponding angles are proportional andcorresponding sides are equalc. corresponding angles are equal orcorresponding sides are proportionald. corresponding angles are proportional orcorresponding sides are equal select the best answer from the choices providedmark this and retumsave and exitnext

The functions f(x) and g(x) are shown in the graph f(x)=x^2 what is g(x) ?