In the figure below, m 2 1 = (x + 12)° and m 2 2 = 5xº.
Find the angle measures.

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

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.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.