AC Lim's answer to Rossa's Secondary 3 E Maths Malaysia question.

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AC Lim
Ac Lim's answer
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Rossa
Rossa
5 years ago
Still dont understand.. How can get 270/360
AC Lim
AC Lim
5 years ago
POR is right angle = 90
PQR = 360-90 = 270
Rossa
Rossa
5 years ago
Oh, but 270/360 equal to 3/4 not 3/2?
AC Lim
AC Lim
5 years ago
3/4 x 2 x (22/7) x 7
I simplified 3/4 x 2 = 3/2
So left 3/2 x 22/7 x 7