In the diagram above, l1 is parallel to l2, Find the value of
- A.
82o - B.
36o - C.
72o - D.
118o
Correct Answer: Option A
Explanation
o – 118o = 62oo ( Alternative angle)
y + 2y + 10o + 62o = 180o (Angles on a straight line)
3y = 180 – 72
(frac{3y}{3}) = (frac{108}{3})
y = 36oo
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