20 points! What is the surface area of a cone that has a radius of 5 units and a height of 10 units? Use 3.14 for π and round your answer to the nearest whole number. 254 units2 300 units2 314 units2 384 units2

How do you find the area of a triangle

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.

Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?