The length of the minute hand of a clock is 14cm. how far does the tip of the minute hand move in 30 minutes?
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radius of circle=14 cm
tetha in 60 min=360degree
tetha in 30 min= 360/60×30
= 180dgree
area of sector. =tetha/360×πr2
=180/360×22/7×14×14
=1/2×22×2×14
=22×14
= 154 cm2 is the ans
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tetha in 60 min=360degree
tetha in 30 min= 360/60×30
= 180dgree
area of sector. =tetha/360×πr2
=180/360×22/7×14×14
=1/2×22×2×14
=22×14
= 154 cm2 is the ans
please MARK IT BRAINLIEST ANS
aashi2203:
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