PQ is parallel to RS. Calculate the value of x.
...
PQ is parallel to RS. Calculate the value of x.
20o
40o
60o
80o
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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