Multiple choice

The slant height of a frustum of a drum is 12 ft and the perimeters of its circular ends are 10 ft and 2 ft. Find the curved surface area of the drum.(Use $\pi$ = 3.14)

  1. 719.8912 $ft^2$
  2. 709.8912 $ft^2$
  3. 729.8912 $ft^2$
  4. 739.8912 $ft^2$
Reveal answer Fill a bubble to check yourself
B Correct answer