In the diagram, PQR is straight line, ( m + n) = 120o and ( n + r) = 100o. Find (m + r).
Attached Figure / Diagram
A
110o
B
120o
C
140o
D
160o
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #37003)