Surface Area

1. The following figure shows a square-based pyramid.

Which expression represents the surface area of the pyramid?

Choose 1 answer:

(A) \(100+80+80+80+80\)

(B) \(10 \cdot 8\)

(C) \(40 \cdot 4\)

(D) \(100+40+40+40+40\)

2. The following figure shows a cube.

Which expression represents the surface area of the cube?

Choose 1 answer:

(A) \(8+8+8+8+8+8\)

(B) \(6 \cdot 16\)

(C) \(6 \cdot 4\)

(D) \(4 \cdot 4 \cdot 4\)

3. The following figure shows a right triangular prism.

Which expression represents the surface area of the prism?

Choose 1 answer:

(A) \(2 \cdot 24+120+160+200\)

(B) \(48+48+120+160+200\)

(C) \(200+160+120+24\)

(D) \(24+24+200+120+120\)

4. The following figure shows a right rectangular prism.

Which expression represents the surface area of the prism?

Choose 1 answer:

(A) \(15+15+30+30+18\)

(B) \(2 \cdot 15+2 \cdot 30+2 \cdot 18\)

(C) \(6 \cdot 5 \cdot 3\)

(D) \(6.5\)