Katie's swim team is having an end–of–season pizza party. When the party started, there were 50 slices of pizza. Now there are 20 slices left. Which of the following show(s) how much of the pizza has been eaten? Select all that apply.

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft