A ladder reaches the top of a 20 foot building. the ladder is 4.5 feet away from the building. how long is the ladder? a 24.5 feet
b 19.5 feet
c 20.5 feet
d 3.5 feet

C

Step-by-step explanation:

do that with pithagoras:

20² + 4,5² = x²

400 + 20,25 = x²

420,25 = x²

x =

x ~ 20,5

Letter C: 20,5 feet

answer: a. 13/44

step-by-step explanation: judging by the information given to us, we are looking for experimental probability. we can see that 13 males have chosen chocolate ice cream. there are 44 ice creams in total (remember that the total is always the denominator). so our answer is 13/44.