PQ is parallel to RS. Calculate the value of x.
...
PQ is parallel to RS. Calculate the value of x.
A.
20o
B.
40o
C.
60o
D.
80o
E.
100o
Correct answer is B
< D = 180o - 100v
= 80o (< on a str. line)
< s = 60o - alternate angle
x = 180o - (80o + 60o)
180o - 140o = 40o
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