g) The diameter of a bicycle wheel is 63 cm. How many complete rotations does the
wheel make while covering 1.98 kms? [Hint: 22/7]
Answers
Answered by
4
Answer:
1000 rotations
Step-by-step explanation:
Diameter of wheel = 63 cm
Distance covered in one rotation= Perimeter of wheel
= 2πr = πd = π × 63 = 22/7 × 63 = 22 × 9 = 198 cm
1.98 km = 198000 cm
Rotations = Total distance/Distance covered in one rotation
= 198000/198 = 1000
Similar questions