Math, asked by jazrelle05, 6 hours ago

david started his home work at 4;30pm and finished at 5;15 pm

Answers

Answered by 101Jaatni

1

Answer:

Total time David studied=45 minute

Step-by-step explanation:

Distance travel by Minute hand clock in this time =2πr-πr/2

=4πr/2-πr/2

=3πr/2

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