Y intercept of y=0.5+4

the f

last graph i believe

step-by-step explanation:

worked it out i believe

m∠5 + m∠3 = m∠1   is true.

m∠5 + m∠6 = 180 is true

m∠2 +m∠3 = m∠6   is true

m∠2 +m∠3 +m∠5 = 180   is true

answer: 0.26

i used the calculator on google