area of circle is 1386 metres square find its circumference
Answers
Answered by
9
The area of a circle is 1386 sq.cm, find its circumference
Answers
Area of circle = πr² = 1386 cm²
πr² = 1386
22/7 x r² = 1386
2/7 x r² = 126
r²/7 = 63
r² = 441
r = 21 cm
circumference = 2πr = 2 x 22/7 x 21 = 44 x 3 = 66 x 2 = 132 cm
♥♥mark me brainlist♥♥
Answers
Area of circle = πr² = 1386 cm²
πr² = 1386
22/7 x r² = 1386
2/7 x r² = 126
r²/7 = 63
r² = 441
r = 21 cm
circumference = 2πr = 2 x 22/7 x 21 = 44 x 3 = 66 x 2 = 132 cm
♥♥mark me brainlist♥♥
aarayana:
mark me brainlist
Answered by
5
Hey mate here is your answer.
Hope this helps!! ♥️♥️♥️
Hope this helps!! ♥️♥️♥️
Attachments:
Hey mate is my answer correct?
no
oh sorry..
ans is 132
ok
Similar questions