Math, asked by rohan300, 1 year ago

the circumference of a circle exceeds its diameter by 450 cm find the area of the circle

Answers

Answered by ShreyaBhowmick
3
let the radius of the circle be r cm.
given,circumference of the circle=diameter+450
therefore 2 pi.r = 2*r+450

2*22/7*r-2r=450
44r-14r/7=450
30r/7=450
r=450*7/30
r=105cm

Area of a circle=πr²
=105*105*22/7
=34650cm²

Also, circumference of the circle=2πr
=>2*22/7*105=660cm


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