Shemargamer885 Shemargamer885

15-03-2020
Mathematics

contestada

The minute hand of a clock is 15 cm long how far does the tip of the minute and travel in 20 minutes

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brainbuster87 brainbuster87

15-03-2020

20 mins means the hand moves 120 degrees around the clock.

The formula to find the arc length is 2pi×r×a/360

2×pi×15×1/3=30pi×1/3=10pi

so i think the answer would be 10 pi cm

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