- #1

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- MHB
- Thread starter gilamonster
- Start date

- #1

- #2

skeeter

- 1,104

- 1

from the sketch, $r = \dfrac{4x+2}{2}$ and $h=2x$

substitute for $r$ and $h$ and set equal to $182\pi$, solve for $x$, then determine the diameter

- #3

HOI

- 923

- 2

Dividing both sides by $\pi$, $16x^2+12x+ 1= 182$. Subtracting 182 from both sides, $16x^2+ 12x- 181= 0$. Solve that quadratic equation for x.

- #4

skeeter

- 1,104

- 1

$2\pi (2x+1)^2 + \pi(8x^3+4x) = \pi(8x^2+8x + {\color{red}2} +8x^2+4x)$

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