Find the circumference.
Use 3.14 for it.
r = 5 cm
C = [?] cm
C= Ttd

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

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.