Question
P6.AP.TL.17090818-A1
The figure is not drawn to scale. Two balls, U and V, turn and move along the line WX in opposite directions. The radius of U is 20 cm. The ratio of the diameter of Ball U to that of Ball V is 7 : 2. If Ball U turns 10 rounds and Ball V 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

19 May 2024, 10:03 AM

The figure is not drawn to scale. Two balls, U and V, turn and move along the line WX in opposite directions. The radius of U is 20 cm. The ratio of the diameter of Ball U to that of Ball V is 7 : 2. If Ball U turns 10 rounds and Ball V turns 2 rounds, how far apart are the centres of the balls? (Take π = 3.14)
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