Question

The diameter of a roller is 84 cm and its length is 120 cm. It takes 500 complete revolutions to move once over to level a playground. Find the area of the playground in sq m. ?​

Answer 1

Answer:

1584 m²

Step-by-step explanation:

csa of roller = 2πrh

2× 22/7 × 84/2 × 120

= 31680 cm²

no. of revolutions = 500

500×31680 = 15840000 cm²

to change it in m²

15840000 × 1/100 × 1/100

= 1584 m²

plz mark me brainliest