a car has two wipers which do not overlap each wiper has a blade of length 21 CM sweeping through an angle 120 degree find the total area cleaned at each sweep of The Blades take π =22/7
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Answered by
3
Answer:
Step-by-step explanation:
π×21x21x120/360
= 22x3x21x1/3
=22x21
=462cm²
Answered by
1
Answer:
Step-by-step explanation:
Theta=120
R=21cm
Ar of sector = theta/360 pie r square
=462cm
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