the length of the minute hand of a clock is 14 cm find the area swept by minute hand in 30 minute
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Answered by
0
Step-by-step explanation:
r=14cm
a=πr²/2=3.14×196=307.72
Answered by
2
Answer:
308 cm^2
Step-by-step explanation:
the minute hand sweeps the area of a semi circle in 30 mins. the radius of semi circle is 14cm
area of semi circle=area of circle/2
=(pi*r^2)/2
=(22/7)*14*14/2
=14*22
=308 cm^2
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