Surface Area Cylinders Cones Spheres

Which formula is needed to find surface area of the cylinder?

What is the total surface area of the cylinder to the nearest square inch? 

• 625 in²

• 1300 in²

• 1046 in²

• 414 in²

Find the surface area.

• 221.6 cm²

• 70.6 cm³

• 17.6 cm³

• 886.2 cm²

Find the surface area when r=25cm.

• 2500 cm²

• 2500 cm³

• 7850 cm²

• 7850 cm³

Find the surface area

• 60.4 m²

• 188.4 m²

• 94.2 m²

• 881.9 m²

Ernie wants to make several cans like the one below. He is going to cut them from a sheet of metal that has an area of 2,826in². How many can he make? Use 3.14 for π.

• Ernie can make 20 cans.

• Ernie can make 8 cans.

• Ernie can make 10 cans.

• Ernie can make 9 cans.

A cylindrical silo has a radius of 10 m and a height of 30 m. If the cost to paint the silo is 5 per m^2, what is the total cost to paint the silo?

• A) 7,570

• B) 7,850

• C) 8,130

• D) 8,410

Find the surface area of the cone.