From a circular piece of cardboard of radius 3m, two sectors of 90 have been cut off Find the perimeter of the remaining portions. (Use -22/7)
Answers
Answered by
1
Answer:
the perimeter is 2r+πr²
6+28.2
34.2
Step-by-step explanation:
sodhanimudit:
the 2 sectors of 90 degree each na
keep quite
that's why i have multiplied it with 2
the reamining perimeter will be perimeter of semi circle
i have added it...I think it's correct now.
Answered by
3
Answer:
Step-by-step explanation:
TOTAL PERIMETER OF CIRCLE-22\7*2*3
18.84 METER
PERIMETER OF SECTOR WITH ANGLE 90 DEGREES- 2*90\360*2*22\7*3
9.42 METER
PERIMETER OF REMAINING CIRCLE- (18.84-9.42)+2*3
=15.42 meters
HOPE THIS IS HELPFUL...
wrong
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