Yeyeyey's answer to Anonymous's Secondary 4 A Maths Singapore question.
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For q2 (I)
1. Find gradient of AC
2. Find gradient of AB
3. form eqn using point A
4. Form eqn using point D
5. Sub the eqns <4&5> tgt -> will get x
6. Then sub back and find y
1. Find gradient of AC
2. Find gradient of AB
3. form eqn using point A
4. Form eqn using point D
5. Sub the eqns <4&5> tgt -> will get x
6. Then sub back and find y
Date Posted:
2 years ago
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