Calculati aria unui trapez isoscel cu baza mica 6 radical din 3, una dintre laturile nepararlele de 12 cm si masuar unui unghi la trapezului de 30°.

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.