What is the value of -3 to the 4th power?
81 -81 -12 12

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.

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9