The minute hand of a clock is 9.8cm long. How far does its tip move in 25 minutes????
2007-08-25 19:31:31 · 6 answers · asked by Thereyahgo 1 in Science & Mathematics ➔ Mathematics
d = (25/60) x 2 x π x 9.8 cm
d = 25.6 cm ( to 1 decimal place)
2007-08-25 20:14:20 · answer #1 · answered by Como 7 · 1⤊ 0⤋
Circumference of a circle = 2pi R
C=2*(22/7)*9.8
Portion of circle travelled.
Minute hand completes circumference in 60 minutes.
Distance =C*(25/60)
2007-08-25 19:40:49 · answer #2 · answered by Anonymous · 0⤊ 0⤋
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2016-10-17 00:34:23 · answer #3 · answered by Anonymous · 0⤊ 0⤋
the minute move 25min out of 60min.
=(25/60)(2 x 3.142 x 9.8)
=25.65967cm
2007-08-25 19:39:41 · answer #4 · answered by sleeping_beauty1976 2 · 0⤊ 0⤋
9.8*(25/60)*pi*2
2007-08-25 19:40:52 · answer #5 · answered by Anonymous · 0⤊ 1⤋
25.64 cm
2007-08-25 19:36:38 · answer #6 · answered by peteryoung144 6 · 0⤊ 0⤋