Aloysius Chua's answer to audrey's Secondary 4 E Maths Singapore question.
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for part a i think you need to address how triangle pqr is a right angle to get that extra mark.
area of sector is 1/2 (r^2)x, where x is the angle of the sector, which in this case is angle qor
area of sector is 1/2 (r^2)x, where x is the angle of the sector, which in this case is angle qor
Date Posted:
4 years ago
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