Question

3.5
and height 14cm
2. If the diameter of abroad roller is 96cm
and length is 100cm. It takes 300 complete
revolutions to roll once over the
playground to level. Find the area of the
playground in m?

Answer 1

Answer:

hope it helps you

Step-by-step explanation:

diameter = 96cm

radius = 48 cm

Curved surface area of cylinder = 2πrh

= 2×22÷7×48cm×100cm

= 30171.430cm² (approx.)

Area of playground = 30171.430cm²×300

= 9051.430cm² (approx.)