Question

plz give me answer.I am gujrat .

Answer 1

Answer:

Step-by-step explanation:

r= 84÷ 2=42

h=120 cm

CSA of roller=2 πrh

2×22÷7×42×120= 44×720=31680 cm sq

for 1 revolution= 31680 cm sq

for 500 revolution=31680×500= 15840000 cm sq

hence, the playground= 15840000÷100×100= 1584 m sq