min hand 3.5 cm long calculate the area swept by it on 20 minutes
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Answer:
number of circles formed by minute hand in 2 hours = 2
area swept = 2× area of 1 circle formed by minute hand
area swept= 2× (22/7) × (7/2)²
= 11× 7
= 77 cm²
Step-by-step explanation:
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