Find x in the given figure

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.

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

52 cm radius = diameter = area = circumference = circumfer