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secondary 3 | E Maths
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Christmas MT
Christmas MT

secondary 3 chevron_right E Maths chevron_right Singapore

How to solve this qn?

Date Posted: 4 years ago
Views: 513

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Hou Ruomu
Hou Ruomu's answer
1 answers (A Helpful Person)
1st
Boy Mow Chau
Boy Mow Chau
4 years ago
HAK is not a right angle,
so not correct to calculate
angle AKH as cos-1(24/41).

also, because HAK is not a right angle,
cannot calculate
length AH as sqrt((41)^2-(24)^2).

arc BPC is angle BPC * 15,
not angle AKH * 15.
same problem with arc DQA

so the steps posted in this answer will
give all incorrect answers !!
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Boy Mow Chau
Boy Mow Chau's answer
317 answers (Tutor Details)