Polar Equations Calculus

Polar Equations - Surface Area

Find the area of the surface formed by revolving the curve $r = 5 \sin\theta$ from $\theta = 0$ to $\theta = \frac{\pi}{2}$ about the $x$ -axis.

{\pi}^2

{\pi}^2

{\pi}^2

12.5\pi^2

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by Brilliant Staff

Find the surface area generated when the curve $r = e^{\theta}$ from $\theta = 0$ to $\theta = \frac{\pi}{2}$ is revolved about the $y$ -axis.

\displaystyle{ \frac{\pi}{2}e^{\pi}}

\displaystyle{ \frac{\sqrt{3}\pi}{2} + \pi e^{\pi}}

\displaystyle{ \pi + 2 \pi e^{\pi}}

\displaystyle{ \frac{2 \sqrt{2} \pi}{5} e^{\pi} - \frac{4\sqrt{2}\pi}{5}}

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by Brilliant Staff

Find the area of the surface formed by revolving the curve $r = 5 \sin\theta$ from $\theta = 0$ to $\theta = \frac{\pi}{2}$ about the $y$ -axis.

\pi

25\pi

\pi

\pi

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by Brilliant Staff

Find the area of the surface formed by revolving the curve $r = 3 \cos(\theta)$ from $\theta = 0$ to $\theta = \frac{\pi}{2}$ about the $x$ -axis.

\pi

9\pi

\pi

\pi

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by Brilliant Staff

Find the area of the surface formed by revolving the curve $r = 5 \cos{\theta}$ from $\theta = 0$ to $\theta = \frac{\pi}{2}$ about the $y$ -axis.

{\pi}^2

{\pi}^2

12.5\pi^2

{\pi}^2

View wiki

by Brilliant Staff

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