Question
P6.AP.TL.17090818-A1
The figure is not drawn to scale. Two balls, P and Q, turn and move along the line RS in opposite directions. The radius of P is 90 cm. The ratio of the diameter of Ball P to that of Ball Q is 7 : 3. If Ball P turns 9 rounds and Ball Q turns 3 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

21 May 2024, 10:56 PM

The figure is not drawn to scale. Two balls, P and Q, turn and move along the line RS in opposite directions. The radius of P is 90 cm. The ratio of the diameter of Ball P to that of Ball Q is 7 : 3. If Ball P turns 9 rounds and Ball Q turns 3 rounds, how far apart are the centres of the balls? (Take π = 3.14)
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