Question

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


Well explanations needed
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Answer 1

Answer:

94.2 cm

Step-by-step explanation:

Length of the minute hand of the circular clock = 15cm

Radius of the circular clock (r)

= 15 cm

Therefore,

Circumference of the circular clock

= 2πr = 2×3.14×15 cm

= 94.2 cm

So, length moved by the tip of the minute hand in 1 hour = 94.2 cm ( As the minute hand makes one complete revolution round the clock in 1 hour ).

hope it helps you.

Answer 2

Answer:

$2\pi \: r = 2 \times 3.14 \times 15 = 94.2 \: cm. \\ so \: the \: distance \: travelled \: is \\ 94.2 \: cm.$