In the diagram above AO is perpendicular to OB ... - WAEC Mathematics 1995 Question
In the diagram above, AO is perpendicular to OB. Find x
A
7.5o
B
15o
C
22.5o
D
30o
correct option: d
4x + 3x + 2x + 90 =360° [angle at a point]
9x + 90 = 360°
9x = 360° - 90°
9x = 270
x = 270/9
x = 30°
Please share this, thanks:
Add your answer
No responses