1.

The minute hand of a circular clock is 15 cm long. How far does the tip of the minutehand move in 1 hour. (Take It = 3.14)​

Answer»

The length of the minute HAND denotes the radius of the circle it MOVE through...

HENCE,

The Radius of the Circle formed by minute hand:

2\pi \: r

= 2 \times 3.14 \times 15

= 94.2

In ONE HOUR, It completes one revolution. So,

The minute hand moves 94.2 cm in one hour.

With Regards from Venom...



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