Nets & Surface Area

A triangular pyramid has a base with an area of 9cm². Each lateral face has a base of 5cm and a height of 4cm. Find the total surface area.

• 29cm²

• 69cm²

• 40cm²

• 39cm²

Find the area of this rectangle.

Tags

area

The net of a rectangular prism is shown below. Which of the following is closest to the surface area of the prism?

• 518 square centimeters

• 420 square centimeters

• 470 square centimeters

• 205 square centimeters

Juanita covered the outside of a gift box shaped like a rectangular prism with paper. The box is 3.2 feet long, 2 feet wide, and 3 feet high. Which of the following is closest to the total surface area if this box?

• 34 ft²

• 43 ft²

• 30 ft²

• 18 ft²

Calculate the lateral surface area of the solid.

• 704 ft²

• 100.8 ft²

• 605.2 ft²

• 804.8 ft²

The figure represents a large wedge of chocolate. How much foil would be needed to completely cover the chocolate?

• 420.7 square centimeters

• 378 square centimeters

• 42.7 square centimeters

• 280 square centimeters

The net shown can be folded along the dashed line segments to form a three-dimensional figure. Which figure is best represented by this net?

• Hexagonal prism

• Hexagonal pyramid

• Pentagonal prism

• Pentagonal pyramid

Calculate the number of faces.

• 4

• 5

• 7

• 8

• A
• B
• C
• D

• A
• B
• C
• D