Test - OK Mastering the OSTP in Grade 8 math Chapter 13

1 pt

What is the volume, in cubic feet, of the square pyramid below?

168 cubic feet

196 cubic feet

294 cubic feet

588 cubic feet

84 cubic feet

1 pt

What is the volume of the following oil tank? Round your answer to the nearest hundredth. Use π ≈ 3.14.

$y d^{3}$

1 pt

Find the volume of the cone. Use the formula

$V = \frac{1}{3} {πr}^{2} h π \approx \frac{22}{7}$

88 ${cm}^{3}$

176 ${cm}^{3}$

254 ${cm}^{3}$

528 ${cm}^{3}$

2,112 ${cm}^{3}$

1 pt

Find the volume of the figure below.

6 ${units}^{3}$

12 ${units}^{3}$

36 ${units}^{3}$

72 ${units}^{3}$

32 ${units}^{3}$

1 pt

If the volume of a cylinder is $81 π {in}^{3}$ and has a height of 9 in, what is its total surface area?

108 $π {in}^{2}$

72 $π {in}^{2}$

120 $π {in}^{2}$

36 $π {in}^{2}$

144 $π {in}^{2}$

Student Name: