Consider circle C with radius 5 cm and a central angle
measure of 60°
What fraction of the whole circle is arc RS?
What is the approximate circumference of the circle?
cm
What is the approximate length of arc RS?
cm
C
60°
5 cm

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.

Answer for 10 points show work you guys in advanced < 3

If value of cos330° is √3/2 then find tan165°.