Question

Find the distance covered by the wheel of a bus in 2000 rotation if the diameter of the wheel is 98 cm​

Answer 1

Answer:

6160

Step-by-step explanation:

Diameter of circle= 98cm

Diameter of circle= 98cmradius of circle=49 cm = 0.49m

Diameter of circle= 98cmradius of circle=49 cm = 0.49mcircumference of circle=2 x r=2 x 22/7 x 0.49=3.08

Diameter of circle= 98cmradius of circle=49 cm = 0.49mcircumference of circle=2 x r=2 x 22/7 x 0.49=3.08distance covered by one rotation=3.08m

Diameter of circle= 98cmradius of circle=49 cm = 0.49mcircumference of circle=2 x r=2 x 22/7 x 0.49=3.08distance covered by one rotation=3.08mdistance covered by 2000 rotation=3.08 x 2000=6160m

Answer 2

Answer:

616000cm or 6160m or 6.16km

Step-by-step explanation:

diameter of circle = 98cm

= radius = diameter/2 = 98/2 = 49cm

so distance covered by the wheel of bus in 1 rotation= 2πr = 2×22/7 × 49 = 308cm

so distance covered in 2000 rotation= 2000×308 = 616000 cm or 616000/100m = 6160m or 616000/100000 = 6.16km

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