Surface Area of Prisms

What is the perimeter of the base of a triangular prism with sides 5.1 in, 2 in, and 1.2 in?

• 8.3 in

• 7.3 in

• 6.3 in

• 9.3 in

What is the formula for the lateral surface area of a cylinder?

• 2πrh

• πr²h

• 2πr²

• πr² + 2πrh

Which part of a cylinder is represented by the formula 2πr²?

• The bases

• The lateral surface

• The height

• The volume

What is the shape of the base of a cylinder?

• Circle

• Square

• Rectangle

• Triangle

If the radius of a cylinder is doubled, how does the lateral surface area change?

• It doubles

• It quadruples

• It remains the same

• It triples

If the height of a cylinder is halved, how does the lateral surface area change?

• It halves

• It doubles

• It remains the same

• It triples

What is the unit of measurement for surface area?

• Square units

• Cubic units

• Linear units

• Volume units

What is the shape of the lateral surface of a cylinder when unrolled?

• Rectangle

• Circle

• Triangle

• Square

What is the formula for the total surface area of a cylinder?

• 2πr²

• πr² + 2πrh

• πr²h

• 2πrh + 2πr²

What is the volume of a cylinder with a radius of 3 cm and a height of 5 cm?

• 60π cm³

• 15π cm³

• 30π cm³

• 45π cm³