find the perimeter of a circle whose area is 9 Pi centimetre square
Answers
Answered by
0
Answer:
hope it helps you.
plz mark me as brainlist
Attachments:
Answered by
0
Answer:
area of circle = pi r square
radius square =area/pi
radius square=9 ×pi/pi
radius =square root of 9=3cm
now perimeter=2×pi×r
perimeter=2×22/7×3=132/7=18.71.
perimeter =132/7or 18.71 cm
Similar questions
Business Studies,
6 months ago
Chemistry,
6 months ago
Social Sciences,
1 year ago
Physics,
1 year ago
English,
1 year ago