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secondary 3 | E Maths
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Elly

secondary 3 chevron_right E Maths chevron_right Singapore

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Date Posted: 1 year ago
Views: 189

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Jackson Wan
Jackson Wan's answer
18 answers (Tutor Details)
1st
Using Pythagoras theorem
AB = Sqrt(8^2+6^2)
AB = 10 cm

Since Triangle ABC is similar to Triangle EBD
AB/BC = EB/BD
10/8 = 5/BD
solving,
BD = 5*8/10= 4cm

Hope that helps!