Surface Area of Figures

How much gift wrap is needed to wrap a gift 5 inches long, 8 inches wide and 10 inches tall?

• 80 in²

• 340 in²

• 400 in²

• 160 in²

How do you find the surface area of a 3 dimensional object?

• Divide the area of the base by 2 and multiply by the height.

• Divide the sum of the bases and multiply by the height.

• Multiply the sum of all the faces by two.

• Find the sum of all of the areas of all of the faces.

All sides of the three-dimensional figure shown meet at right angles. What is the surface area of the three-dimensional figure?

• 90 in²

• 356 in²

• 178 in²

• 316 in²

What is the total surface area?

• 384 cm²

• 2000 cm²

• 2384 cm²

• 2168 cm²

The three-dimensional figure shown is composed of right prisms. What is the total surface area of the figure?

• 510 in²

• 642 in²

• 606 in²

• 678 in²

A garden shed is shaped like a right prism. The shed has one 7 ft-by-6 ft rectangular door and two 3 ft-by-1 1/2 ft rectangular windows. The outer walls will be painted, but not the roof, door, or windows. What is the total surface area to be painted?

• 95 ft²

• 190 ft²

• 446 ft²

• 395 ft²

Tyrone makes a wooden letter T to hang on his bedroom wall. The T is a right prism. Tyrone plans to cover all the faces except the back with fabric. How many square inches of fabric will he need?

• 104

• 72

• 256

• 176

A company sells cardboard scratching blocks for cats. The block is shaped like a right rectangular prism with a rectangular hole cut through its center. A cat can scratch on any face of the block, including the bottom and inside faces. What is the total area of the block's scratching surface?

• 1440 in²

• 1248 in²

• 604 in²

• 1056 in²

Ignacio makes a display shelf from 4 wooden boards. All angles formed by the boards are right angles. Ignacio plans to stain all faces of the shelf, except the back face, which will be against the wall. What is the total area Ignacio will stain?

• 780 in²

• 702 in²

• 390 in²

• 554 in²

All faces of a bench except the two faces that rest on the ground will be coated with a water-resistant paint. The bench is a right prism. What is the total area to be coated with the paint?

• 3731 in²

• 1160 in²

• 4487 in²

• 5243 in²