Answer:
x=24cm
y=20,78cm
Step-by-step explanation:
sen(30)= -> x*sen(30)=12 -> x== 24cm
cos(30)=y/x -> cos(30)= y/24 -> y=24*cos(30)= 20,78cm
x×x-5x-6
x × -4X - 6
x=44
33+103+x=180
136+x=180
13cm is the answer i hope this helps you!!!!!!!