Math, asked by themP, 7 months ago

the minute hand of a wall clock is 4.2cm long,find the area swept by it in 20minutes

Answers

Answered by sashragavi

1

Answer:

18.48 cm sq

Explanation:

angle made in 20 min = 120 degree

area swept = (120 * 22 * 42 * 42)÷(360 * 7 * 10 * 10)

= 18.48 cm sq.

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