Cross Sections Warmup

What is the formula for area of a square?

• s²

• lw

• mc²

• mx+b

What is the formula for area of a semicircle?

•  $\pi r^2$  

•  $\frac{\pi r^2}{2}$  

•  $\frac{r^2}{2}$  

•  $2\pi r$  

What is the formula for area of an equilateral triangle?

• $\frac{\sqrt{3}}{4}\left(side\right)^2$

• $\frac{1}{2}\left(side\right)^2$

• $\left(side\right)^2$

• $\frac{\sqrt{3}}{2}\left(side\right)^2$

What is the formula for area of an isoceles right triangle given a leg?

• $\frac{1}{2}\left(leg\right)^2$

• $\frac{\sqrt{2}}{2}\left(leg\right)^2$

• $\left(leg\right)^2$

• hypotenuse

For each problem, find the volume of the solid that results when the region enclosed by the curves is revolved about the given axis. Set up, but do not evaluate the integral.

• A

• B

• C

• D

For each problem, find the volume of the solid that results when the region enclosed by the curves is revolved about the given axis. Set up, but do not evaluate the integral.

• A

• B

• C

• D

For each problem, find the volume of the solid that results when the region enclosed by the curves is revolved about the given axis. Set up, but do not evaluate the integral.

• A

• B

• C

• D

For each problem, find the volume of the solid that results when the region enclosed by the curves is revolved about the given axis. Set up, but do not evaluate the integral.

• A

• B

• C

• D

For each problem, find the volume of the solid that results when the region enclosed by the curves is revolved about the given axis.

• A

• B

• C

• D

For each problem, find the volume of the solid that results when the region enclosed by the curves is revolved about the given axis.

• A

• B

• C

• D