Help plz! Chords, secant segments and tangents are shown. Write an equation, then find the variable(s).

An explanation on how to solve would be great!

Carly stated, “all pairs of rectangles are dilations.” which pair of rectangles would prove that carly’s statement is incorrect?

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)

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