Math, asked by YUVRAJSINGHS2004, 11 months ago

find area of a circle whose circumfrence is 66 cm

aditya100703: 346.5 cm2

YUVRAJSINGHS2004: yes

Answers

Answered by bhaveshvk18

hey...

here is ur answer

Attachments:

RidimsJaiswal: dk

RidimsJaiswal: hmm whats formula of circumference of the circle

bhaveshvk18: 2pir

RidimsJaiswal: exactly what you wrote pie r

RidimsJaiswal: oof i should go for check up of my eyes

bhaveshvk18: i wrote 2pir check clearly

bhaveshvk18: nope...maybe ur dreaming about something. ..

RidimsJaiswal: my is also right

bhaveshvk18: yes...but at last ur calculation part is wrong..

bhaveshvk18: yes...now correct..

Answered by RidimsJaiswal

let the radius be x
circumference of the circle=2×22/7×x
66=2×22/7×x
66×1/2=22/7x
33×7/22=x
21/2=x

area of circle=22/7×21/2×21/2
therefore area is equal to 346.5 sqcm

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