Intro to Cylinders, Cones, and Spheres

Find the total surface area

• 48.7 m^2

• 150.8 m^2

• 328.7 m ^2

• 129.3 m^2

What is surface area?

• how much a 3D object can hold
• the sum of the areas of all the shapes that cover the surface of the object.
• the area of the 2 bases
• the area of a shape plus it's volume

Find the total surface area of this cone.

• 204.2 ft.²

• 188.5 ft.²

• 282.74 ft.²

• 408.41 ft.²

Find the total surface area of the cone. Leave your answer in terms of pi.

• 37.70 m²

• 50.27 m²

• 75.40 m²

• 25.13 m²

What is the total surface area formula for a cylinder?

• SA = πrl + πr²

• SA = 2πrh + 2πr²

• SA = 4πr²

• SA = πr²h

What is the surface area formula of a sphere?

• 4πr²

• πd

• (4/3)πr³

• 4πr³

Find the surface area.

• 6658.56 mm²

• 452.16 mm²

• 904.32 mm²

• 108.8 mm²

Find the surface area.

• 314.16 in²

• 314 in²

• 166.67 in²

• 521.24 in²

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Is the red line a radius or diameter of the circle?

• Radius
• Diameter