The diagonals in a kite are perpendicular, meaning that m<BHY has to be a right angle, and since KY bisects <RKB, <BKH≅<RKH which is 37. Because the angles in a triangle add up to 180, you can use subtraction to find out what the other missing angle, <HBK, is.
The best one is 3:2 cause it is the most used way to write a ratio. 3:2 also means 3 divided by 2 or 3 out of 2 so that's why you would use the other 2.
