RJR Math 3: 4.3-4.4 Check-Up

Describe what is happening in this image:

• a vertical plane is cutting a square pyramid parallel to it's base

• a horizontal plane is cutting a triangular pyramid parallel to it's base

• a horizontal plane is cutting a square pyramid parallel to it's base

• a vertical plane is cutting a square pyramid perpendicular to it's base

What is the shape of the cross-section formed?

• triangle

• square

• rhombus

• trapezoid

Describe:

• the cone is cut by a vertical plane, perpendicular to it's base

• the pyramid is cut by a vertical plane, perpendicular to it's base

• the cone is cut by a vertical plane, parallel to it's base

• the cone is cut by a horizontal plane, perpendicular to it's base

What is the shape of the cross-section formed?

• cone

• rectangle

• circle

• triangle

Find the volume of a cylinder with a radius of 5 and a height of 7. Keep π in your answer.

Volume of a cylinder = πr²h

• 175π

• 25π

• 35π

• 12π

Find the volume of a cone, with radius 6 and height 2.

Keep your answer in terms of π.

Volume of a cone = 1/3πr²h

• 24

• 24π

• 4π

• 12

Find the volume of the pyramid:

Volume of pyramid = 1/3Bh (B is area of base)

• 600

• 360

• 180

• 1800