Question : The height of an equilateral triangle is $7 \sqrt{3}$ cm. What is the area of this equilateral triangle?

Option 1: $36 \sqrt{3}$ cm²

Option 2: $25 \sqrt{3}$ cm²

Option 3: $49 \sqrt{3}$ cm²

Option 4: $32 \sqrt{3}$ cm²

Question : The base of a solid right prism of height 10 cm is a square and its volume is 160 cm³. What is the total surface area of the prism (in cm²)?

Option 1: 200

Option 2: 176

Option 3: 192

Option 4: 180

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 : What is the total surface area of a pyramid whose base is a square with a side 8 cm and the height of the pyramid is 3 cm?

Option 1: 169 cm²

Option 2: 121 cm²

Option 3: 144 cm²

Option 4: 184 cm²

Question : The height of an equilateral triangle is $9 \sqrt{3} \mathrm{~cm}$. What is the area of this equilateral triangle?

Option 1:  $92 \sqrt{3} \mathrm{~cm}^2$

Option 2: $67 \sqrt{3} \mathrm{~cm}^2$

Option 3: $49 \sqrt{3} \mathrm{~cm}^2$

Option 4: $81 \sqrt{3} \mathrm{~cm}^2$