Volume of Pyramids, Spheres and Cones

Front

What is the formula for the volume of a pyramid?

Back

Volume = (1/3) × Base Area × Height

Front

What is the formula for the volume of a sphere?

Back

Volume = (4/3) × π × r³

Front

What is the formula for the volume of a cone?

Back

Volume = (1/3) × π × r² × Height

Front

How do you calculate the volume of a cylinder?

Back

Volume = π × r² × Height

Front

What is the value of π (pi) commonly approximated to?

Back

π is commonly approximated to 3.14.

Front

If a cylinder has a diameter of 10 cm, what is its radius?

Back

Radius = Diameter / 2 = 5 cm.

Front

What is the volume of a cylinder with a radius of 5 cm and a height of 10 cm?

Back

Volume = π × (5 cm)² × 10 cm = 785.4 cm³ (using π ≈ 3.14).

Front

How do you round a number to the nearest hundredth?

Back

Look at the third decimal place; if it's 5 or more, round up the second decimal place.

Front

What is the volume of a sphere with a radius of 3 cm?

Back

Volume = (4/3) × π × (3 cm)³ = 113.1 cm³ (using π ≈ 3.14).

Front

What is the volume of a cone with a radius of 4 cm and a height of 9 cm?

Back

Volume = (1/3) × π × (4 cm)² × 9 cm = 150.8 cm³ (using π ≈ 3.14).