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secondary 3 | E Maths
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fifahhh
Fifahhh

secondary 3 chevron_right E Maths chevron_right Singapore

I need an explanation

Date Posted: 4 years ago
Views: 218

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Mohd Ariffin Bin Mohd Amin
Mohd Ariffin Bin Mohd Amin's answer
5 answers (Tutor Details)
1st
a) self explanatory
b) make use of the similar triangle rule
c) find TK using pythagoras theorem first then use similar triangle to compare the 2 sides as shown.
d) it is a continuation of and c) then solving using quad eqn method
e) AB is actually y so just substitute value of x found in ans (d)