Exploring Circumference, Area, and Volume Concepts

What is the formula for the circumference of a circle?

• C = πd

• C = 2πr

• A = πr^2

• A = πd^2

How do you calculate the area of a circle?

• A = 2πr

• A = πr^2

• A = πd

• C = πr^2

What is the circumference of a semicircle with a diameter of 12?

• 18.8

• 37.68

• 9.4

• 12

How do you find the area of a semicircle with a radius of 6?

• 36

• 56.5

• 113

• 28.3

What is the area of a triangle with a base of 14 and height of 6?

• 12

• 28

• 84

• 42

How do you calculate the area of a parallelogram?

• Base + Height

• (Base x Height) / 2

• Base x Height

• 2(Base + Height)

What is the volume of a cylinder with a radius of 5 and height of 9?

• 1413 cm^3

• 706.5 cm^3

• 353.25 cm^3

• 450 cm^3

How do you find the volume of a rectangular prism?

• (Length x Width) / Height

• Length x Width x Height

• 2(Length + Width + Height)

• Length + Width + Height

What is the volume of a triangular prism with a base area of 6 and height of 8?

• 24 ft^3

• 48 ft^3

• 14 ft^3

• 96 ft^3

What is the correct way to label the volume of a three-dimensional object?

• Circular units

• Cubic units

• Square units

• Linear units