2009 · Q47
A roller of diameter 70 cm and length 2 m is rolloing on the ground. What is the area covered by the roller in 50 revolutions?
Elementary MathematicsAlgebra
- A180 m 2
- B200 m 2
- C220 m 2
- D240 m 2
Explanation
Solved; answer C.
A roller of diameter 70 cm and length 2 m is rolloing on the ground. What is the area covered by the roller in 50 revolutions?
Explanation
Solved; answer C.