An angle less than 90˚ would be an acute angle. An obtuse angle is where the angle is more than 90˚. A right angle is where the angle is exactly 90˚ (there is a tiny square that. represents 90˚). A straight angle is a 180˚ angle.
its only a little bit over a 50% chance to get a front pocketed jean, then to also have back pockets is under 50% chance so when you even those it comes to .52
First turns those into fractions, now you should have 4/5 and 1/5. Now to generate a chance the 2 events will happen in a row (Like rain and a postponed game) you need to multiply the 2 fractions together so it should come out with 4/25 or 16%