8.5.13 Check Your Understanding

What is the formula for the volume of a cylinder?

• πr²h

• 2πr²

• πr²

• 2πrh

Answer explanation

Calculate the volume of a rectangular prism with a base area of 6 square feet and a height of 5 feet.

• 30 cubic feet

• 20 cubic feet

• 25 cubic feet

• 35 cubic feet

Answer explanation

Fill in the blank: The volume of a cylinder with a radius of 3 feet and height of 5 feet is ____.

• A) 15π cubic feet

• B) 30π cubic feet

• C) 45π cubic feet

• D) 60π cubic feet

Fill in the blank: The volume of a cylinder with a height of 8 cm and a radius of 2 cm is ____.

• A) 16π cm³

• B) 32π cm³

• C) 48π cm³

• D) 64π cm³

Answer explanation

Fill in the blank: The base area of a cylinder with a radius of 3 cm is ____.

• 9π cm²

• 6π cm²

• 12π cm²

• 15π cm²

Answer explanation

Match each set of information about a circle with the area of that circle: . .

• B) Circle B has a radius of 10 units

• approximately 314 square units
• D) Circle D has a circumference of 4π un

• 64π square units
• C) Circle C has a diameter of 16 units

• 4π square units
• A) Circle A has a radius of 4 units

• 16π square units

Which student was faster at puzzle solving before practice?

• Student l

• Student m

Fill in the blank: Circle B has a radius of 10 units, and its area is approximately ___ square units.

• 4π

• 16π

• 64π

• 314

A 1-quart container of tomato soup is shaped like a rectangular prism. How many fluid ounces does it hold?

• 16 oz

• 24 oz

• 32 oz

• 40 oz

Answer explanation

Circle A has a radius of 4 units. What is the circumference of Circle A?

• A) 8π units

• B) 4π units

• C) 16π units

• D) 32π units

Answer explanation