Select all the expressions that can be used to find the area of the polygon 18 ft
9 ft
6 ft
20 ft
(9 x 20) - 6
(9 x 18) - (6 x 2)
(9 * 18) + (6 * 2)
(20 6) + (18 * 3)
(20 9) - (3 x 2)

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

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.

Nine people are going to share a 128-ounces bottle of soda. how many ounces will each person get drink? choose the correct equation and answer for this situation