Mathematics > 2015 > 33
WASSCE
In the diagram, QT and PR are straight lines
∠ROS = (3n - 20o), ∠POT = 2m
< SOT = n, < POT = m and < QOL is a right angle. Find the value of n.
A.
35o
B.
40o
C.
55o
D.
60o
Answer: A
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