Question : The base of a right pyramid is square of side 10 cm. If the height of the pyramid is 12 cm, then its total surface area is:

Option 1: 400 cm²

Option 2: 460 cm²

Option 3: 260 cm²

Option 4: 360 cm²

Question : The base of a right prism is a square having a side of 15 cm. If its height is 8 cm, then find the total surface area.

Option 1: 940 cm²

Option 2: 920 cm²

Option 3: 900 cm²

Option 4: 930 cm²

Question : The whole surface area of a pyramid whose base is a regular polygon is 340 cm², the area of its base is 100 cm², and the area of each lateral face is 30 cm². Then the number of lateral faces is:

Option 1: 8

Option 2: 9

Option 3: 7

Option 4: 10

Question : The base of a right prism is an equilateral triangle whose side is 10 cm. If the height of this prism is $10 \sqrt{3}$ cm, then what is the total surface area of the prism?

Option 1: $125 \sqrt{3}$ cm²

Option 2: $325 \sqrt{3}$ cm²

Option 3: $150 \sqrt{3}$ cm²

Option 4: $350 \sqrt{3}$ cm²

Question : What is the whole surface area of a cone with a base radius of 6 cm and height of 8 cm?

Option 1: 354.50 cm²

Option 2: 350.51 cm²

Option 3: 301.71 cm²

Option 4: 364.61 cm²