Think Learn Grow (TLG) Education Centre's answer to -'s Secondary 3 E Maths Singapore question.
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These are the workings for question 1. Let me know if you need more help or help with the other questions.
Date Posted:
4 years ago
How do I substitute?
Since X =3,
3x-1 = 3x3 -1 = 9-1 = 8
5x = 5x3 = 15
5x+2= 15+2 = 17
To get area, choose base and height that are perpendicular, which is 8 and 15.
1/2 X 8 X 15 = 60 cm^2
3x-1 = 3x3 -1 = 9-1 = 8
5x = 5x3 = 15
5x+2= 15+2 = 17
To get area, choose base and height that are perpendicular, which is 8 and 15.
1/2 X 8 X 15 = 60 cm^2
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