Question

Find the area of the circle below. A = pi r^2 (leave in terms of pi)

Answer 1

• Radius (r) = 3xy^3
• We know, area of a circle = πr^2
• Therefore,

`\pi \: {(3xy}^(3) ) ^(2) \\ = \pi * {3}^(2) * {x}^(2) * {y}^(3 * 2) \\ = 9\pi {x}^(2) {y}^(6)`

Answer:

`9\pi {x}^(2) {y}^(6)`

Hope you could understand.

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