Find the area swept by the 3.5 cm long minute hand of a clock in 2 hours
Answers
Answered by
22
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
Answered by
12
Answer:
No of circles = 2 circles
Radius = 3.5cm
Area of one circle = πr²
= 22/7×3.5×3.5
= 38.5cm²
Area of two circles = 38.5×2
= 77cm²
Similar questions