Surface Area of Composite

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

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

Indire makes a wooden box without a lid. All the faces of the box meet at right angles. Indira plans to paint all surfaces of the box, including the inside and outside. The interior of the box has length 13 in., width 8 in., and depth 7 in. What is the total surface area to be painted? Indira can cover up to 1350 in² with 1/2 cup of paint. Will she need more than 1/2 cup of paint to cover the box?

• Yes, she will need more paint.

• No, she will NOT need more paint.

• 994 in²

• 1098 in²

Calculate the composite surface area of the figure, to the nearest square centimeter. Use 3.14.

• 4,227 cm²

• 4,542 cm²

• 4,605 cm²

• 5,262 cm²

What is the surface area of the following if the volume of each cube is 1cm^3.7 total blocks are used. 1 in the middle and 1 block attached to each side

• 30cm²

• 42cm²

• 24cm²

• 32cm²

What is the surface area of the following if these are centimeter cubes. There are 7 total blocks used. 6 on the bottom and 1 on the top.

• 20 cm squared

• 28 cm squared

• 42 cm squared

• 26 cm squared

Determine the surface area of this birdhouse to the nearest square centimeter. The hole in the front has a diameter of 8cm

• 3009 cm²

• 3760 cm²

• 3609 cm²

• 3659 cm²

Calculate the surface area.

6cm is the diameter of the cylinder.

• 4200.4 cm²

• 4000.1 cm²

• 3860.4 cm²

• 3200.16 cm²

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

What is P(the perimeter of the base?

• 16 in

• 20 in

• 12 in