Why is the measure angle of y

Step-by-step explanation:

x + x + x = 90°

3x = 90°

x = 90/3 = 30

x = 30°

now,

apply angle sum property to find the value of y

as, x = 30

so,

30 + 90 + y = 180

120 + y = 180

y = 180 - 120 = 60

y = 60° ans.

therefore, option B is correct

hope this answer helps you!

investment b is an ordinary annuity with $3,909.64 in the account after one year.

step-by-step explanation: