TCAP Success Grade 8 MATH Chapter 14

1 pt

2.

Find the volume of the cone. Use 3.14 for π.

A

$88c{m}^{3}$

B

$176c{m}^{3}$

C

$528c{m}^{3}$

D

$2,112c{m}^{3}$

1 pt

3.

Using the cone in the previous question, which would make a larger difference: increasing the radius by 2 cm or increasing the height by 2 cm? What are the differences?

A

Increasing the height by 2 cm Difference is 75.36 cm

B

Increasing the height by 2 cm Difference is 410.67 cm

C

Increasing the radius by 2 cm Difference is 75.36 cm

D

Increasing the radius by 2 cm Difference is 410.67 cm

1 pt

5.

If the radius of a cylinder is 3 inches, and the height is 9 inches, what is its volume? Use 3.14 for π.

A

$84.78i{n}^{3}$

B

$226.08i{n}^{3}$

C

$254.34i{n}^{3}$

D

$320.28i{n}^{3}$

1 pt

7.

What is the volume of a cone with a radius of 6 m and a height of 12 m?

$V=\frac{1}{3}{\mathrm{\pi r}}^{2}\mathrm{h}$

A

36π

B

144π

C

432π

D

1,296π

1pt

11.

A right circular cone is shown in the figure below. Point A is the vertex of the cone and point B lies on the circumfrence of the base of the cone.

The cone has a height of 24 units and a diameter of 14 units. What is the distance from point A to point B?