Volume: Cylinder, Cone, Sphere

How do you approximate π for calculations?

• Use 3.14 as an approximation for π.

• Use 3.1415 as an approximation for π.

• Use 3.0 as an approximation for π.

• Use 3.14159 as an approximation for π.

What is the volume of a sphere with a radius of 5 cm?

• 523.33 cm³

• 314.16 cm³

• 125.66 cm³

• 418.88 cm³

If a cone has a volume of 30 cm³ and a height of 10 cm, what is the radius?

• 1.5 cm

• 2.24 cm

• 3.0 cm

• 2.0 cm

What is the volume of a sphere with a diameter of 10 cm?

• 523.33 cm³

• 314.16 cm³

• 418.88 cm³

• 785.40 cm³

What is the volume of a cone with a radius of 2 in and a height of 6 in?

• 8π ≈ 25.13 in³

• 12π ≈ 37.70 in³

• 4π ≈ 12.57 in³

• 10π ≈ 31.42 in³

If a cylinder has a volume of 100 cm³ and a height of 5 cm, what is the radius?

• 2.52 cm

• 3.14 cm

• 1.75 cm

• 4.00 cm

What is the formula for the volume of a cylinder?

• Volume = πr²h, where r is the radius and h is the height.

• Volume = 2πrh, where r is the radius and h is the height.

• Volume = πr²h², where r is the radius and h is the height.

• Volume = 4/3πr³, where r is the radius.

What is the volume of a cone with a radius of 3 cm and a height of 9 cm?

• 27π cm³ (approximately 84.82 cm³)

• 18π cm³ (approximately 56.55 cm³)

• 36π cm³ (approximately 113.10 cm³)

• 9π cm³ (approximately 28.27 cm³)

What is the formula for the volume of a cone?

• Volume = (1/3)πr²h, where r is the radius and h is the height.

• Volume = πr²h, where r is the radius and h is the height.

• Volume = (2/3)πr²h, where r is the radius and h is the height.

• Volume = (1/4)πr²h, where r is the radius and h is the height.

What is the formula for the volume of a sphere?

• Volume = (4/3)πr²

• Volume = (4/3)πr³

• Volume = πr²h

• Volume = (1/3)πr³