North Carolina Math 3 EOC Chapter 9

1 pt

1.

What is the volume, in cubic feet, of the square pyramid below? Use the formula $V=\frac{1}{3}Bh$.

A

168 cubic feet

B

196 cubic feet

C

294 cubic feet

D

588 cubic feet

1 pt

2.

What is the volume of the following oil tank? Round your answer to the nearest hundredth. Use the formula $V={\mathrm{\pi r}}^{2}\mathrm{h}$. where $\mathrm{\pi}\approx 3.14$.

A

$18.84{\mathrm{yd}}^{3}$

B

$37.68{\mathrm{yd}}^{3}$

C

$44.48{\mathrm{yd}}^{3}$

D

$75.36{\mathrm{yd}}^{3}$

1 pt

5.

Find the volume of the cube. Use the formula $\mathrm{V}={\mathrm{s}}^{3}$.

A

$36{\mathrm{cm}}^{3}$

B

$9{\mathrm{cm}}^{3}$

C

$27{\mathrm{cm}}^{3}$

D

$12{\mathrm{cm}}^{3}$

1 pt

7.

If you move a square through space in a straight line, what solid could it form?

A

cube

B

rectangular prism

C

pyramid

D

either A and B

1 pt

10.

If the radius of a cylinder is doubled, how much larger will the volume be? Use the formula $V={\mathrm{\pi r}}^{2}\mathrm{h}$, where $\mathrm{\pi}\approx 3.14$.

A

12 times larger

B

8 times larger

C

4 times larger

D

2 times larger