Answer:
Q8. (D) 9x²
Q9. (A)
Q10. (C) 10x²-9x+2
Explanation:
Q8. Area of new canvas = (3x)(3x)
= 9x²
Q9. Since F is the midpoint of line XY,
6x = (x+5)
18x = x+5
17x = 5
∴x =
Q10. Area of rectangle = (2x-1)(5x-2)
= 10x²-5x+2-4x
= 10x²-9x+2
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