CLAIRE CHUA's answer to Hii's Secondary 3 E Maths Singapore question.

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CLAIRE CHUA
Claire Chua's answer
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Hii
Hii
2 years ago
Thank you soo much inow i understand this question clear explanation also!! But for (c) the answer is 16.5m :D
CLAIRE CHUA
CLAIRE CHUA
2 years ago
hey, no prob! I'm really sorry for the wrong answer, but I can't seem to get 16.5cm, maybe your teacher can provide the correct answer instead?
Hii
Hii
2 years ago
Ahh soo sorryy about this but my teacher write the wrong answer at the bottom it is 16.4 m Thank you soo muchh!!
CLAIRE CHUA
CLAIRE CHUA
2 years ago
HAHA it's okay, glad to have helped
Hii
Hii
2 years ago
Hii but after looking back at the question why is angle ABC 90° how do you know it is 90°
CLAIRE CHUA
CLAIRE CHUA
2 years ago
no prob