Jessica Ong Kai Lin's answer to Kathy's Secondary 4 E Maths Singapore question.
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Date Posted:
5 years ago
The book write 18 units
Oops sorry my mistake, the height is suppose to be (3+3) instead of (2+2)
So ,
1/2 x (4+2) x (3+3)
=18 units ^2
So ,
1/2 x (4+2) x (3+3)
=18 units ^2
Ok. Thank u for helping
Gradient of AC should be -2/3
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