It spins tilted on its axis, it spins every hour that's why we have 24 hours, day to night
6 / 9 = 2/3 ( since dividing top and bottom be 3 gives 2/3)
Also 4/6 = 2/3
You need to expand the brackets on both sides and then you can break it down
The answer is B through ASA (Angle-Side-Angle) similarity criterion.