1. What is the value in degrees of x and y?
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X
80°
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Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.

Find the area of the triangle shown 3 by 6