16.What is the area of a circular table with a radius of 6 cm?

a. 113.04 cm²

b. 131.04 cm²

c. 115.05 cm²

d. 213.04 cm²

17. A classroom measures 28 m long and 17 m wide. What is its area?

a. 478 m²

b. 475 m²

c. 474 m²

d. 473 m²

18. Jun framed a square painting with a perimeter of 84 dm. What was the area of the wall covered by the painting?
a. 258 dm²

b. 246 dm²

c. 226 dm²

d. 238 dm²

19.A jewelry box has a side of 5 cm. What is its surface area?

a. 150 cm²

b. 130 cm²

c. 160 cm²

d. 149 cm²

What is the surface area of an aquarium which measures 11 cm by 10 cm by 5

a. 215 cm²

b. 415 cm²

c. 239 cm²

d. 430 cm²​