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secondary 3 | E Maths
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Janette Tan
Janette Tan

secondary 3 chevron_right E Maths chevron_right Singapore

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Date Posted: 4 years ago
Views: 212
snell
Snell
4 years ago
*whenever u see 90°, pythagoras' theorem has to come to mind.


AC = x+16
AB = x+11
BC = 11+16 = 27 cm


(x+16)² + (x+11)² = 27²
.
.
.
x² + 27x - 176 = 0


(ii)

*u can do this

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Yeo zhixuan junior
Yeo Zhixuan Junior's answer
16 answers (Tutor Details)
1st
Use pythegaras theorem