In the figure, PQ is a parallel to ST and QRS = 40o. Find the value of x
Attached Figure / Diagram
A
55o
B
60o
C
65o
D
75o
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
From the figure, 3x + x - 40o = 180o
4x = 180o + 40o
4x = 220o
x = \(\frac{220}{4}\)
= 55o
Source: Myschool Past Questions Archive (Record #32873)