Question
P6.AP.TL.17090818-A1
The figure is not drawn to scale. Two balls, B and C, turn and move along the line DE in opposite directions. The radius of B is 80 cm. The ratio of the diameter of Ball B to that of Ball C is 7 : 2. If Ball B turns 7 rounds and Ball C turns 2 rounds, how far apart are the centres of the balls? (Take π = 3.14)
4 m
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STUDENT

Primary 6 AREA PERIMETER P6.AP.TL.17090818

29 Jun 2024, 05:02 PM

The figure is not drawn to scale. Two balls, B and C, turn and move along the line DE in opposite directions. The radius of B is 80 cm. The ratio of the diameter of Ball B to that of Ball C is 7 : 2. If Ball B turns 7 rounds and Ball C turns 2 rounds, how far apart are the centres of the balls? (Take π = 3.14)
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