Question

The short hand and the long hands of a clock are 8cm and 12cm what is the distamce covered by them in 2 days

Answer 1

distance covered of short hand clock...

We know that short hand take 1 hr to complete a round ( circumfrence)

hrs in 2 days = 48hrs .
so short hand clock complete 48 round in 2 days..

distance of 1 round = circumfrence of circle
= 2pie(r)
= 2× pie × 8
= 16pie cm

distance of 48 round = 48 × 16pie cm
= 768pie cm

now distance of long hand clock ( minute hand clock)
minute in 2 days = 2880 minutes

2×pie ×r
2×pie ×16
32pie of one round

distance of 2880 round = 2880 × 32pie
= 92160pie cm


Total distance of both hand clock
= (768pie + 92160pie)cm
= 92928pie cm
= 92928 × 22/7
= 292059.4 cm
= 2.92 km

HOPE ITS HELP

Answer 2

Answer:

2.92km

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