2014
Mathematics
JAMB
From the figure above, what is the value of p?
A.
135°
B.
90°
C.
60°
D.
45°
Correct Answer: 90°
Explanation
In the figure above, q° = 30° (vertically opposite angles) (P + 2q)° + 30° = 180°(angles on a straight line) p + 2 x 30° + 30° = 180° p + 60° + 30° = 180° p + 90° = 180° p = 180° - 90° = 90°
In the figure above, q° = 30° (vertically opposite angles) (P + 2q)° + 30° = 180°(angles on a straight line) p + 2 x 30° + 30° = 180° p + 60° + 30° = 180° p + 90° = 180° p = 180° - 90° = 90°THIS WEEK's
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