30. Find the surface area generated when the portion of the curve y² = 12x from x = 0, x = 3 is rotated about the x-axis. A. 137.86 B. 124.92 C. 142.46 D. 116.84

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Q: 1. The most common shape of canal cross-section. A. Rhombus B. Parallelogram c. Trapezium D.…

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Q: 1. Find the area of the rectangle whose sides are 2x + 3y = 1, 2x + 3y = 5, 3x – 2y = 4 and 3x – 2y…

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Q: 9.

A: Use the properties of is isosceles triangle and right triangle.