Which of the following is not part of the triangle proportionality theorem?

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

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?

How many terms does the polynomial x^2 y^2 have