When a clock shows 4 o' clock how much a...

When a clock shows `4` o' clock how much angle do its minute and hour needles make?

A

`120^(@)`

B

`(pi)/(3)` rad

C

`(2pi)/(5)` rad

D

`160^(@)`

Verified by Experts

The correct Answer is:

A

From diagram angle `theta= 4xx 30^(@) = 120^(@)= (2pi)/(3)` rad

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