In the parallelogram PQRS above find angle SQR - JAMB Mathematics 2007 Question
In the parallelogram PQRS above, find angle SQR
A
100o
B
80o
C
50o
D
30o
correct option: a
x = 30o (alternate ∠s b/c PQ//Sr)
Y = 50o (vertical opposite ∠s)
r = 30o (alternate ∠s b/c PQ//SR)
But = y + q + t = 180o (∠s on a straight line)
50 + q + 30 = 180
q + 80 = 180
q = 180 -80
q = 100o
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