Understanding Surface Area from Nets

What is the lateral surface area of a rectangular prism with four 10x5 cm rectangles as its sides?

• 100 cm squared

• 200 cm squared

• 300 cm squared

• 250 cm squared

What is the total surface area of a rectangular prism with a lateral surface area of 200 cm squared and two 5x5 cm bases?

• 250 cm squared

• 275 cm squared

• 225 cm squared

• 200 cm squared

What is the total surface area of a 3D shape?

• The sum of all its edges

• The volume of the shape

• The area of its largest face

• The sum of all its faces

How do you find the lateral surface area of a 3D shape?

• By adding the area of the bases

• By subtracting the area of the bases from the total surface area

• By adding the area of all faces except the bases

• By multiplying the area of one face by the number of faces

What is the lateral surface area of a triangular prism with one 12x20 cm rectangle and two 10x20 cm rectangles?

• 640 meters squared

• 480 meters squared

• 320 meters squared

• 800 meters squared

How do you calculate the area of a triangle for surface area calculations?

• Base plus height

• Base times height

• Base times height divided by 2

• Base plus height divided by 2

What is the total surface area of a rectangular pyramid with a lateral surface area of 90 inches squared and a 6x8 inch base?

• 168 inches squared

• 158 inches squared

• 148 inches squared

• 138 inches squared

What is the lateral surface area of a regular triangular pyramid with each triangle having an area of 24 cm squared?

• 96 cm squared

• 72 cm squared

• 120 cm squared

• 144 cm squared

What does 'regular' mean in the context of a regular triangular pyramid?

• All sides are equal in length

• All angles are equal

• All faces are congruent

• The pyramid has a square base

What is the total surface area of a regular triangular pyramid with a lateral surface area of 72 cm squared and one face of 24 cm squared?

• 72 cm squared

• 144 cm squared

• 96 cm squared

• 120 cm squared