PLTW POE Unit 2.1 Review

The formula to calculate the x-bar of this shape.

• $\frac{B}{2}$

• $\frac{B}{3}$

• $\frac{4r}{3\pi}$

• $r$

The formula to calculate the x-bar of this shape.

• $\frac{B}{2}$

• $\frac{B}{3}$

• $\frac{4r}{3\pi}$

• $r$

The formula to calculate the y-bar of this shape.

• $\frac{B}{2}$

• $\frac{B}{3}$

• $\frac{4r}{3\pi}$

• $r$

The formula to calculate the x-bar of this shape.

• $\frac{B}{2}$

• $\frac{B}{3}$

• $\frac{4r}{3\pi}$

• $r$

How do you calculate the area of this shape?

• $side\ length^2$

• $width\ \cdot\ height$

• $\pi r^2$

• $\frac{1}{2}\left(base\ \cdot\ height\right)$

• $\frac{1}{2}\left(\pi r^2\right)$

How do you calculate the area of this shape?

• $side\ length^2$

• $width\ \cdot\ height$

• $\pi r^2$

• $\frac{1}{2}\left(base\ \cdot\ height\right)$

• $\frac{1}{2}\left(\pi r^2\right)$

How do you calculate the area of this shape?

• $side\ length^2$

• $width\ \cdot\ height$

• $\pi r^2$

• $\frac{1}{2}\left(base\ \cdot\ height\right)$

• $\frac{1}{2}\left(\pi r^2\right)$

How do you calculate the area of this shape?

• $side\ length^2$

• $width\ \cdot\ height$

• $\pi r^2$

• $\frac{1}{2}\left(base\ \cdot\ height\right)$

• $\frac{1}{2}\left(\pi r^2\right)$

How do you calculate the area of this shape?

• $side\ length^2$

• $width\ \cdot\ height$

• $\pi r^2$

• $\frac{1}{2}\left(base\ \cdot\ height\right)$

• $\frac{1}{2}\left(\pi r^2\right)$

Calculate the x-bar for this shape. Round your answer to the tenths place (one number after decimal point, i.e. 0.0).

(a)