the diameter of a natio is 42cm and its
length is 120cm .it lakes 500 complete
revolutions to move once do and to playground.
find the area of the playground in m2
Answers
Answered by
0
Answer:
42×500= 21000 sq meter
Answered by
0
Answer:
792 m^2
Explanation:
Since Area covered = Curved surface area No. Of revolutions
= Area = 2* pi*r* h*no. Of Rev. = Area = 2*22/7* 42/2 cm * 120 cm * 500
= Area = 2*22/7*21*120*500
= 2* 22* 3* 120 * 500
=792*10^4 cm^2
=792 m^2. It's solved.
Similar questions