Ang Li Ying's answer to skaze's Secondary 3 E Maths Singapore question.
thankyou!
AEO is triangle
Therefore angle AEO = 180-60-30= 90
and BEO is straight line. So Y = 180 - 90 = 90.
Hope this helps
Therefore angle AEO = 180-60-30= 90
and BEO is straight line. So Y = 180 - 90 = 90.
Hope this helps
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