STAAR Surface area

A container is shaped like a triangular prism. Each base of the container is an equilateral triangle with the dimensions shown.

The container has a height of 15 centimeters. What is the lateral surface area of the container in square centimeters?

• 36 cm²

• 18 cm²

• 270 cm²

• 320 cm²

Tags

CCSS.7.G.B.6

An architect uses a cylindrical container to protect her blueprints. The dimensions of the cylinder are shown in the diagram.

Which measurement is closest to the total surface area of the container in square inches.

• 424.12 in²

• 791.68 in²

• 339.29 in²

• 282.74 in²

A cylinder and its dimensions are shown in the diagram.

Which measurement is closest tot the lateral surface area of the cylinder in square centimeters?

• 575.3 cm²

• 287.6 cm²

• 398.5 cm²

• 604.14 cm²

A rectangular prism and its dimensions are shown in the diagram.

What is the total surface area of the prism in square inches?

• 237.5 in²

• 110.2 in²

• 162.5 in²

• 302.3 in²

Tags

CCSS.7.G.B.6

A triangular prism and its dimensions are shown in the diagram.

What is the lateral surface area of the triangular prism in square centimeters?

• 192 cm²

• 128 cm²

• 152 cm²

• 144 cm²

Tags

CCSS.7.G.B.6

A rectangular prism and its dimensions are shown in the diagram.

What is the total surface area of the prism in square inches?

• 237.5 in²

• 102.1 in²

• 162.5 in²

• 302.3 in²

Tags

CCSS.7.G.B.6