Question

1. find the m∠stu if m∠stf = 120 and m∠ftu = 30. m∠stu =

Explanation:

Step1: Identify angle - addition relationship

$\angle STU=\angle STF+\angle FTU$

Step2: Substitute given angle measures

$m\angle STU = 120 + 30$

Step3: Calculate the sum

$m\angle STU=150$

Answer:

$150$