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secondary 3 | E Maths
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Chelsia
Chelsia

secondary 3 chevron_right E Maths chevron_right Singapore

i dont know how to start

Date Posted: 5 years ago
Views: 201

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
1. Define C as (x, 0).

2. Use the length formula (essentially Pythagoras theorem).

3. Equate lengths; remove square roots.

4. Solve for x and put this value of x into the coordinates of C.
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LandyWu
Landywu's answer
34 answers (Tutor Details)
Find mid point of AB.
Build euqation of CD.
Solve by knowing y coordinate of C is 0.