How long is a string reaching from the top of a 12 foot pole to a point on the ground that is 6 feet from the bottom of the pole?

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.

Sanjay solved the equation below. which property did he use to determine that 7x+42=42 is equivalent to 7(x+6)=42 7x+42=42 7x=0 x=0

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20